Medieval Martial Arts

Join us for a fun afternoon in D.C. as we socialize, enjoy live performances, and support local filmmakers raising funds for a local film. Free to RSVP! ***About the film project and event:*** FILM: **"Thirteenth Grade Prom"** **Why are we connecting?** Charitable Arts Fundraising Initiative for Virginian Artists Come see Two Local Artists Perform to Promote Virginian Art FREE COVER! LIVE PERFORMANCES! Open to all ages but must be 21 to purchase drinks.

Have you been thinking about trying self-defense training, but do not want a loud, aggressive, or overly competitive environment? This free intro class is a simple way to get started. Maryland Systema offers practical self-defense training for adults in Takoma Park with a focus on movement, awareness, breathing, posture, and calm under pressure. This class is designed for beginners and first-timers who want real-world self-defense training in a welcoming setting. You do not need experience. You do not need to be in top shape. You do not need a martial arts background. You just need to show up ready to learn. This is not a sport-based class built around winning points, memorizing routines, or trying to look impressive. It is a more practical approach to adult self-defense training that helps you stay balanced, aware, and functional when things feel uncertain. If you have been searching for self-defense classes in Takoma Park, beginner self-defense near you, or practical self-defense training for adults, this class is a good place to start. **What you will work on** * Breathing and staying calm under pressure * Movement that improves balance and mobility * Awareness and posture * Simple partner drills * Practical self-defense training for beginners **Who this class is for** * Adults new to self-defense training * Beginners looking for a low-pressure class * People who want practical self-defense instead of sport martial arts * Adults in Takoma Park, Silver Spring, Rockville, and nearby areas looking for realistic self-defense classes **What to wear** Please wear comfortable workout clothes. No uniform is required. **Why start with this class** This free intro class gives you a chance to experience the training, meet the group, and see whether Maryland Systema is the right fit for you before joining regular weekly classes. **RSVP** Reserve your spot and come try a beginner-friendly self-defense class in Takoma Park.

Top level Backgammon Tournament play. Have fun and improve your game. Free lessons to new and inexperienced players. Club been active over 30 years, posting on Meetup is new.

Join our women’s BJJ self-defense class in Herndon, VA -- learn real techniques to escape holds, stay safe, and control larger opponents with leverage. 🛡️ In this **hands-on [Brazilian Jiu-Jitsu](https://en.wikipedia.org/wiki/Brazilian_jiu-jitsu) (BJJ) seminar**, you’ll learn simple and effective [self-defense](https://en.wikipedia.org/wiki/Self-defense) techniques to **escape grabs**, **break free from pins**, and ***stay safe under pressure***. Designed for **women and teens ages 12 and up**, this class offers a **safe** and **supportive space** to **build confidence** and **train at your own pace** with **trusted partners**. This course takes place in Herndon and is also well situated for participants coming from [Ashburn](https://en.wikipedia.org/wiki/Ashburn,_Virginia), Chantilly, and surrounding [Northern Virginia](https://en.wikipedia.org/wiki/Northern_Virginia) communities who are looking for accessible women’s self-defense training. *No experience or special gear required -- just wear comfortable workout clothes and be ready to move!* This free women's self-defense class is also featured on the [Northern Virginia Martial Arts (NVMA) website](https://nvma.group/2026/01/26/womens-self-defense-class-osma-01-feb-2026-herndon-va/). **About the class instructor**: This class is taught by Eva K. Eva is a black belt under [Professor Pedro Sauer](https://pedrosauer.com/) and has been studying Brazilian Jiu-Jitsu for over ten years. Eva teaches both the kids and adult classes, including the [women's Jiu-Jitsu program](https://www.virginiabjj.com/programs/womensbjj/), at [One Spirit Martial Arts](https://www.virginiabjj.com/) (OSMA) in [Herndon](https://en.wikipedia.org/wiki/Herndon,_Virginia), VA. **Frequently Asked Questions (FAQ)** ***What is BJJ?*** **Brazilian Jiu-Jitsu** (BJJ) is a [martial art](https://en.wikipedia.org/wiki/Martial_arts) and form of [submission grappling](https://en.wikipedia.org/wiki/Submission_wrestling) focused on using **leverage** and **technique** to **control** and **submit** an opponent through **chokes**, **joint locks**, and **positional dominance**.

Capoeira (capo-way-ra) is an Afro-Brazilian martial art that is unlike any other martial art. Capoeira incorporates flowing movements with kicks, dodges, and some acrobatics. It is often mistaken for a dance for those reasons. Since it’s origins in the 17th century, it has evolved from a secret fighting practice into an art emphasizing self-expression and community celebration. It is great for the body and mind! In addition to gaining strength and flexibility in class, students learn about Brazilian culture, history, and language (Portuguese). On November 26, 2014 capoeira was granted a special protected status as "intangible cultural heritage” by UNESCO. No need to have a Capoeira background to join this class, just an open mind to try out a new way to move! Beginners welcome. **Please reserve your spot at www.piesfitnessyoga.com**. The session is offered InStudio only. **Sign up for sessions must be made at least 2 hours prior to class.** The address is 1322 Prince St. Alexandria, VA 22314. Our entrance is located on the side of the building, parallel to West St. **Street parking is available and additional parking is located at Shiloh Baptist church, spaces 3,5,7,9.** The church is located across the street from the studio, on the corner of Duke St. and West St.

Join us every Sunday at [One Spirit Martial Arts](https://www.virginiabjj.com/) in [Herndon, VA](https://en.wikipedia.org/wiki/Herndon,_Virginia) for open training in [Brazilian Jiu-Jitsu](https://en.wikipedia.org/wiki/Brazilian_jiu-jitsu): Research, Review, and Roll! 🥇 This is a **student-driven session** designed to help you explore what matters most to your BJJ development. Whether you want to **research techniques, review material from the week**, or **roll with different partners**, this open format gives you the flexibility to focus on your own goals. An **instructor will be present** to answer questions, offer feedback, and help troubleshoot positions, but the pace and flow of the session are entirely up to you. You can **drill, experiment**, or **get in some live rounds** in a relaxed and supportive environment. Open training is ideal for students who want to **refine their technique, test new ideas, and build confidence** through *consistent practice*. All skill levels are welcome -- come train, learn, and grow with the **[Northern Virginia Brazilian Jiu-Jitsu community](https://www.meetup.com/northern-virginia-martial-arts-group/)**! **Note:** We are located in **Suite #130**. This event is **free of charge**.

*Location Change * Since Freedom Plaza is under construction, we will meet at the plaza in front of The International Trade Center near the National Children's Museum (on Pennsylvania Ave). We'll begin with going over a few drills (varies week to week). The skills we drill will be for the first 30 minutes. For the second half, we will casually skate down the bike lanes on Pennsylvania Avenue from the plaza to the U.S.Capitol and stop at 3rd St. and then skate back the same route. This route is about 2 miles in total and is perfect for those who are new to skating in the city but feel comfortable on skates in a parking lot or roller rink. This is also great if you wish to start with shorter routes to increase your physical fitness or stamina for some of the other routes. This is an excellent opportunity to prepare to skate with others on the road. You will also get to meet skaters who will arrive for the Intermediate and Advanced skate routes following the introductory skate. This is great training to feel prepared for the Tuesday Night and Friday Night Skate! Route: http://www.gmap-pedometer.com/?r=7653831 Inline skates (rollerblades), roller skates (quads), bicycles, unicycles, skateboards, longboards and other similar modes of transportation are welcome to join. Helmet and pads are required. Skate at your own risk.

[Profs and Pints Northern Virginia](https://www.profsandpints.com/washingtondc) presents: **“The History of Plastic Surgery,”** with Dr. Wendy Chen, plastic, reconstructive, and hand surgeon and assistant professor at the Johns Hopkins School of Medicine. [Advance tickets: $13.50 plus sales tax and processing fees. Available at [https://events.ticketleap.com/tickets/profsandpints/nv-plastic-surgery](https://events.ticketleap.com/tickets/profsandpints/nv-plastic-surgery) .] Most people misunderstand plastic surgery as vain and aesthetic, but the origins of this fascinating specialty are much deeper than that. Come gain a rich understanding of the roots, medical impact, and current wide reach of a life-altering medical specialty with Dr. Wendy Chen, a leading educator on plastic and reconstructive surgery who has won awards for her work in clinical, basic science and education research. She’ll talk about how reconstructive surgery has been around for thousands of years, with evidence of it having been practiced in ancient Egypt and India, and has made advancements in the course of major wars. Those who practice it have been innovators in medicine, playing a major role in breakthroughs and winning the Nobel prize for kidney transplantation. The need for plastic and reconstructive surgery has stemmed largely from how much our appearance influences how we navigate our worlds and how others regard us. There was a time, in fact, when people in American prisons were offered plastic surgery as an intervention against recidivism. Yet reconstructive surgery also has faced opposition, such as religious bans on its practice stemming from the belief that physical differences are a manifestation of spiritual sin. Fast forward to now when plastic surgeons treat patients of every age for every kind of ailment, from congenital differences to trauma to cancer. Yes, some plastic and reconstructive surgery is to help people conform to tabloid- and social media-driven narratives of what defines beauty, but the field involves a lot more than injecting Botox and shaping buttocks. ( Doors: $17, or $15 with a student ID. Listed time is for doors. Talk starts 30 minutes later.) Image: Reconstructive facial surgery as illustrated by Jean Baptiste Marc Bourgery in the late 1840s (Wellcome Collection / public domain).

**Weekly Sunday Meditation Classes with Sanema Naomi Hardrick** * Each class begins with **guided breathing meditation**, to help settle the mind, let go of distractions and cultivate inner peace. The meditation is followed by a brief, traditional Buddhist prayer, called *Liberating Prayer.* * The Teacher will then give a **practical teaching** based on the topic of the class series and explain how we can integrate Buddha’s timeless wisdom into our busy daily lives. * The teaching is then followed by a **guided meditation** to help us mix our mind with the teaching and take it to heart. * Time permitting, at the end of the meditation class we spend a few minutes in **group discussion** and the teacher will take any **questions** that the class might have about the topic. **COST:** Standard: $12 \| Financial Hardship: $6 \| [Register](https://meditation-dc.org/sunday-mornings/) \*\*[Member Pricing: ](https://meditation-dc.org/membership/)\*\*FREE & Available as an online class. **LOCATION** Kadampa Meditation Center DC 1200 Canal St\. SW \| Washington\, DC 20024 **Metro Stop:** Waterfront or Navy Yard

Note: This is an RSVP with Prepay only event. Coaches have the right to deny your participation if you haven't Prepaid for the event. MAKE SURE YOU CAN RECEIVE MESSAGES AND NOTIFICATIONS WITH UPDATES FROM THE LESSONS. Profile->settings->manage notifications. 3.5 – Point Pros Experienced players who effectively vary pace and shot selection. They possess multiple reliable groundstroke weapons, can capitalize on short balls both in the air and off the bounce, and demonstrate proficiency with slice and drop shots. Their serves are both fast and consistent, contributing to well-constructed points. The lesson will start with rally drills then play games to emphasize on the rally drills. Finally, we will finish up with service games. Players will constantly hit and move with minimal break. All lessons are different. 1. RSVP "YES" Then PREPAY if you are coming to secure your spot on the lesson. Update RSVP to "NO" if you are not attending before RSVP deadline. **COACH TO PLAYER RATIO:** 1\. Maximum 1/6 for Coach/Player ratio for a 90mint session or 1/8 for coach/player for a two\-hour session\. 2\. Make sure you RSVP to the lesson according to your level\. If we notice your level doesn't fit in the lesson you RSVP for\, we will ask you to RSVP for a different session that matches your level\. I hope everyone understands\. **Cancelation Policy:** * If only two or fewer RSVP for a group lesson, the lesson will be canceled. The minimum requirement for a group is three participants. * If the host cancels a session, you get an option for a refund or credit for the next session. * The prepaid fee is non-refundable and cannot be transferred to another session when participants cancel on the same day. **Your contribution:** * A one-time donation request per year of $20 to support our tennis equipment expenses. * Four sessions package to use within five weeks: $136 * Early bird single session prepay for 1+ Days before session start date: $39 **PAYMENTS METHODS:** 1-VENMO APP: joseph_awadalla 2.Zelle:202-746-1094,joseph.awadalla@gmail.com 3.Paypal: joseph.awadalla@gmail.com Thank you for your support.

You are an immortal Soul. As Soul, you are a unit of awareness, who uses a physical body to experience this world. It is your spiritual birthright to freely explore and enjoy all of Divine creation. It is up to each of us to claim that freedom for ourselves! Examples of Soul Travel include out-of-body experiences and near-death experiences. One aspect is your dreams, where you explore other spiritual worlds. Another aspect is the expansion of consciousness. All aspects increase your awareness and understanding of life. This world is a spiritual laboratory. If you would like to learn some Soul Travel techniques, please join us! A flyer for this event is available for you at: https://eck-va.org/wp-content/uploads/2026/03/Poster-for-April-12th-2026- Discover-the-Expanded-Awareness-of-Soul-Travel-Rev-1.pdf

Note: This is an RSVP with Prepay only event. Coaches have the right to deny your participation if you haven't prepaid for the event. MAKE SURE YOU CAN RECEIVE MESSAGES AND NOTIFICATIONS WITH UPDATES FROM THE LESSONS. Profile->settings->manage notifications. 3.0 – Match Makers Players can consistently rally at a higher pace and maintain depth closer to the baseline. They are developing offensive tools, including more aggressive groundstrokes and put-away volleys, and show improved ability to handle deeper, faster shots. They started developing a faster kick serve, but are still working on increasing its speed. The lesson will start with rally drills and then play games to emphasize the rally drills. Finally, we will finish up with service games. Players will constantly hit and move with minimal breaks. All lessons are different. 1. RSVP "YES" Then PREPAY if you are coming to secure your spot in the lesson. Update RSVP to "NO" if you are not attending before the RSVP deadline. **COACH TO PLAYER RATIO:** 1\. Maximum 1/6 for Coach/Player ratio for a 90\-minute session or 1/8 for coach/player for a two\-hour session\. 2\. Make sure you RSVP to the lesson according to your level\. If we notice your level doesn't fit in the lesson you RSVP for\, we will ask you to RSVP for a different session that matches your level\. I hope everyone understands\. **Cancelation Policy:** * If only two or fewer RSVP for a group lesson, the lesson will be canceled. The minimum requirement for a group is three participants. * If the host cancels a session, you get an option for a refund or credit for the next session. * The prepaid fee is non-refundable and cannot be transferred to another session when participants cancel on the same day. **Your contribution:** * A one-time donation request of $20 per year to support our tennis equipment expenses. * Four sessions package to use within five weeks: $136 * Early bird single session prepay for 1+ Days before session start date: $39 * Same-day session prepay: $44 **PAYMENTS METHODS:** 1-VENMO APP: joseph_awadalla 2.Zelle:202-746-1094,joseph.awadalla@gmail.com 3\. PayPal: joseph\.awadalla@gmail\.com Thank you for your support.

Note: This is an RSVP with Prepay only event. Coaches have the right to deny your participation if you haven't Prepaid for the event. MAKE SURE YOU CAN RECEIVE MESSAGES AND NOTIFICATIONS WITH UPDATES FROM THE LESSONS. Profile->settings->manage notifications. 2.5 – Rally crew Players at this level can sustain consistent rallies at a slower pace and shorter court depth. They can serve with minimal double faults and demonstrate improving control at the net, successfully blocking volleys and handling slower incoming shots with consistency. The lesson will start with rally drills and then play games to emphasize the rally drills. Finally, we will finish up with service games. Players will constantly hit and move with minimal breaks. All lessons are different. 1. RSVP "YES" Then PREPAY if you are coming to secure your spot in the lesson. Update RSVP to "NO" if you are not attending before RSVP deadline. **COACH TO PLAYER RATIO:** 1\. Maximum 1/6 for Coach/Player ratio for a 90mint session or 1/8 for coach/player for a two\-hour session\. 2\. Make sure you RSVP to the lesson according to your level\. If we notice your level doesn't fit in the lesson you RSVP\, we will ask you to RSVP for a different session that matches your level\. I hope everyone understands\. **Cancelation Policy:** * If only two or fewer RSVP for a group lesson, the lesson will be canceled. The minimum requirement for a group is three participants. * If the host cancels a session you get an option for a refund or credit for the next session. * The prepaid fee is non-refundable and cannot be transferred to another session when participants cancel on the same day. **Your contribution:** * A one-time donation request of $20 per year to support our tennis equipment expenses. * Four sessions package to use within five weeks: $136 * Early bird single session prepay for 1+ Days before session start date: $39 * Same-day session prepay: $44 **PAYMENTS METHODS:** 1-VENMO APP: joseph_awadalla 2.Zelle:202-746-1094,joseph.awadalla@gmail.com 3.Paypal: joseph.awadalla@gmail.com Thank you for your support.

*Wingspan* is a competitive, medium-weight, card-driven, engine-building board game. You are bird enthusiasts—researchers, bird watchers, ornithologists, and collectors—seeking to discover and attract the best birds to your network of wildlife preserves. Each bird extends a chain of powerful combinations in one of your habitats (actions). These habitats focus on several key aspects of growth: * Gain food tokens via custom dice in a birdfeeder dice tower * Lay eggs using egg miniatures in a variety of colors * Draw from hundreds of unique bird cards and play them The winner is the player with the most points after 4 rounds.

This class will provide instruction into various concepts of **Jiu-Jitsu** as a form of **martial art**. Participants will have the opportunity to **study**, **practice**, and **experiment** with **submission holds** and **strategic fighting controls** that are the hallmark of the now famous methodology of Professional MMA athletes and professional combatives users. This **gi class** is held every **Tuesday** and **Thursday** and includes **one hour of instruction** and **30 minutes** (sometimes longer, TBD) of **open training**. Gis are available if you need one. Drop-in fee for non-members is **$20** which which can be paid on-site. Note that we are in **Suite #130**.

Jujutsu

This is our weekly training session. NOVA Jujutsu is a self-defense focused system incorporating Geri (Kicking), Atemi (Striking), Uke (Blocking), Tai Sabakai (Body Movement), Tai Hodoki (Escapes), Kansetsu Waza (Joint Locks), Nage Waza (Throwing), Shime Waza (Choking), Katame Waza (Grappling), Tantojutsu (Knife), Bojutsu (Bo), Kenjutsu (Sword), and Kata (Forms). Come on down to a class and see for yourself what this group has to offer. You will get a great workout! You will have an awesome learning experience! You will meet some good people! We look forward to meeting you. See you there. TAGS: japanese, martial arts, self-defense, jujutsu, jujitsu, juijitsu, bujutsu, defense, karate, koppo, kenjutsu, bojutsu, tantojutsu

Learn Kali at OSMA in Herndon, VA: a beginner-friendly Filipino Martial Arts (FMA) class that builds coordination, timing, and confidence. 🔥 Experience FMA training through **partner drills**, **movement flow**, and **practical self-defense applications**. In this session you’ll: * Train classic **FMA weapon systems** such as **rattan sticks**, **training knives**, and **empty-hand applications** of Kali and Arnis. * Develop **coordination**, **timing**, **range awareness** and **reflexes** through **practical drills** drawn from Filipino Martial Arts traditions. * Improve your **conditioning**, **speed**, and **agility**: FMA’s weapon-based flow patterns and hand-to-hand transitions push both **mind** and **body**. Join a supportive community of martial arts enthusiasts in [Northern Virginia](https://en.wikipedia.org/wiki/Northern_Virginia) \-\- whether you're new to weapons training or experienced\, this class is designed to **challenge** and **reward**. This class is **open to all levels** and emphasizes **safety**, **precision**, and **continuous learning**. Whether you’re looking to explore **Filipino Martial Arts** (FMA) for **[self-defense](https://en.wikipedia.org/wiki/Self-defense)**, **coordination training**, **weapons fluency**, or simply finding a **unique**, **dynamic workout** in [Herndon, VA](https://en.wikipedia.org/wiki/Herndon,_Virginia) -- *this is your class*. 👉 Come build real **skills**, boost **conditioning**, and ***train with great people*** \-\- j**oin us today and explore the flow and discipline of [Filipino Martial Arts](https://en.wikipedia.org/wiki/Filipino_martial_arts)!** The **drop-in fee** for non-members is **$20**, **payable on-site**. We are located in **Suite #130** — let us know when you arrive and we’ll take care of the rest.

Learn Kali at OSMA in Herndon, VA: a beginner-friendly Filipino Martial Arts (FMA) class that builds coordination, timing, and confidence. 🔥 Experience FMA training through **partner drills**, **movement flow**, and **practical self-defense applications**. In this session you’ll: * Train classic **FMA weapon systems** such as **rattan sticks**, **training knives**, and **empty-hand applications** of Kali and Arnis. * Develop **coordination**, **timing**, **range awareness** and **reflexes** through **practical drills** drawn from Filipino Martial Arts traditions. * Improve your **conditioning**, **speed**, and **agility**: FMA’s weapon-based flow patterns and hand-to-hand transitions push both **mind** and **body**. Join a supportive community of martial arts enthusiasts in [Northern Virginia](https://en.wikipedia.org/wiki/Northern_Virginia) \-\- whether you're new to weapons training or experienced\, this class is designed to **challenge** and **reward**. This class is **open to all levels** and emphasizes **safety**, **precision**, and **continuous learning**. Whether you’re looking to explore **Filipino Martial Arts** (FMA) for **[self-defense](https://en.wikipedia.org/wiki/Self-defense)**, **coordination training**, **weapons fluency**, or simply finding a **unique**, **dynamic workout** in [Herndon, VA](https://en.wikipedia.org/wiki/Herndon,_Virginia) -- *this is your class*. 👉 Come build real **skills**, boost **conditioning**, and ***train with great people*** \-\- j**oin us today and explore the flow and discipline of [Filipino Martial Arts](https://en.wikipedia.org/wiki/Filipino_martial_arts)!** The **drop-in fee** for non-members is **$20**, **payable on-site**. We are located in **Suite #130** — let us know when you arrive and we’ll take care of the rest.

Join us for [Muay Thai](https://en.wikipedia.org/wiki/Muay_Thai) kickboxing at [OSMA in Herndon, VA](https://www.virginiabjj.com/): an energetic evening class focused on striking technique, conditioning, and controlled sparring. 🔥 This adult (16+) class combines **technical instruction, pad work, partner drills**, and **cardio training** to build real-world **skill** and **endurance** in a **safe**, **structured setting**. Beginners and experienced students alike will learn how to apply the principles of **Muay Thai: *The Art Of Eight Limbs***, through precise **strikes**, **timing**, and **defense**. Classes take place every **Monday** and **Wednesday** at **7:00 PM**. The **drop-in fee is $20**, payable on-site, and note that we are located in **suite #130**. Come train with us and see why so many in [Northern Virginia](https://en.wikipedia.org/wiki/Northern_Virginia) choose One Spirit Martial Arts for top-tier martial-arts instruction. **Frequently Asked Questions (FAQ)** Q: Is this class suitable for someone interested in **boxing**? A: **Yes**! Muay Thai shares many of the same **striking fundamentals** as [boxing](https://en.wikipedia.org/wiki/Boxing), including **stance**, **timing**, and **defensive movement**. Students searching for boxing gyms in [Herndon, VA](https://en.wikipedia.org/wiki/Herndon,_Virginia) or Northern Virginia train at OSMA to develop **solid punching technique** along with **kicks**, **knees**, and **elbows**.

Learn practical self-defense skills in Herndon, VA using [Brazilian Jiu-Jitsu](https://en.wikipedia.org/wiki/Brazilian_jiu-jitsu) (BJJ), with beginner-friendly instruction focused on real-world positions and submissions. **Drop-in fee** for non-members is **$20** and can be **paid on-site**. This class is designed for **adults** who want a clear, **structured introduction to self-defense** with a focus on basic takedowns and [ground fighting](https://en.wikipedia.org/wiki/Ground_fighting). Training emphasizes **foundational BJJ concepts**, including **positional control**, **escapes**, and **high-percentage submissions**. *No prior experience is required.* Instruction is paced for **beginners**, with an emphasis on **safety**, **understanding**, and building **confidence** on the mat. Classes run **Tuesdays** and **Thursdays** from **6:00–7:30 PM** at [OSMA](https://www.virginiabjj.com/programs/bjj) in [Herndon, VA](https://en.wikipedia.org/wiki/Herndon,_Virginia) serving students from nearby [Reston](https://en.wikipedia.org/wiki/Reston,_Virginia) and surrounding [Northern Virginia](https://en.wikipedia.org/wiki/Northern_Virginia) areas. Come ready to **learn**, **move**, and **train** in a supportive environment. This [self-defense event in Herndon](https://nvma.group/2026/03/26/intro-to-self-defense-class-at-osma-in-herndon-va/) has been cross-posted on the NVMA website as well as on [Patch](https://patch.com/virginia/reston/calendar/event/20260402/85b3425c-6dfe-4840-b46d-87d129333c4e/introduction-to-self-defense-course-on-april-02nd-2026-at-osma-in-herndon-va).