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The Lost Battalion is a semi-realistic Arma 3 unit playing as US Army Rangers. Experience immersive, structured MilSim without the “Yes Sir” fluff. EU Unit

We are a serious community that strive to promote an immersive and professional environment by providing a structured military experience. Air assault!

The Kings 1st Infantry is a British Milsim unit formed by two Veterans. We aim to provide an authentic milsim experience for all backgrounds, whether that be civvy street or military.

Reaper Crew, UK/EU Arma Milsim. Fridays 19:00 UK time. Midweek's sometimes.

[EU] The MDF is a Hardcore Milsim team with a focus on challenging operations and immersive combat. Think you've got what it takes?

Canadian Tactical Group was established in April 2020. We emulate Canadian Special Forces, primarily basing ourselves on the Canadian Special Operations Regiment. We often work within an RP’d NATO taskforce.

A US Navy task force built on realism, discipline, and kinetic operations. Mission nights run from quick surgical hits to full-scale assaults, driven by a dedicated Game Master and Storyteller — no two nights are the same. All recruits start in our Marine Corps detachment, complete the Marine Infantry Course, and take a billet in our infantry platoon. Grow within the Marines, or try out for a JSOC detachment down the line.

MAKO runs weekly operations and asks members to make one a month. The structure is there for members who want to take it seriously, and it stays out of the way for members who just want a good Saturday night. Our modpack is built around KAT, ACRE2, Project M, and a set of private mods maintained in-house.

Albion Rising Is a British PvE MilSim server found on Arma Reforger. We are a community focusing on a full immersive experience throughout It's campaigns. The server Is open daily with a schedule for campaign operations with the other days being for R&R or training.

16 Air Assault Brigade is a serious British Army milsim, representing the UK’s rapid reaction airborne and air assault force. Built around realism, teamwork, and fast-paced operations, the brigade specialises in air manoeuvre warfare, deploying troops by parachute and helicopter to seize and hold key terrain. Units: 2 & 4 Parachute Regiment Pathfinder Platoon 7 Royal Horse Artillery JAC (Joint Aviation Command) All players are welcome — whether you’re new to milsim or an experienced player. Our friendly and knowledgeable members will help train you in British Army tactics, drills, and procedures to become an effective airborne soldier. We run structured campaign operations twice a week, alongside Brigade Wide FTX (Field Training Exercise) every Wednesday and unit trainings throughout the week. Operations include air assaults, airborne insertions, defensive and offensive actions, raids, patrols, and high-readiness response missions. Time zone: GMT/BST Country: UK Play style: Serious Attendance requirements: Attend one Op per week Time Zone: GMT/BST Op times: 2000-2200

WARCATS, better known by our tag in game, [CATS], is a WARDOGS born and raised clan founded by a group of OG pre-alpha playtesters from NA, EU, and OCE. We are focused on building an active, welcoming community for any and all who like cats! We’ve got some big plans in the works: 🐾 Dedicated community servers 🎥 Content creator collaborations 🎉 Giveaways and community events ⚔️ Organized game nights 🤝 A laid-back whimsical crew to squad up with We’re still at the beginning—and that’s the best time to join. Get in early, meet the crew, and help shape WARCATS into something awesome. Come be part of the beginning of something great.

[NA] A Halo-inspired milsim focused on small-unit tactics, realism, teamwork, and immersive experiences. Operations at 8pm EST on Thursday's.

SEAL Team 3 is an ARMA 3 military realism unit that mimics the Cold War Era real world operations of a SEAL Team.

Tactical Activities Group (TAG) is a realism-focused milsim unit built around teamwork, discipline, tactical proficiency and immersive military gameplay. Inspired by modern special operations and light infantry doctrine, TAG provides a structured yet welcoming environment for players who want to experience coordinated operations in Arma Reforger.

Looking for organized tactical gameplay without turning a video game into a second job? ATLAS is an 18+ laid-back tacsim community built around Wardogs. We enjoy coordination, communication, teamwork, and playing with a purpose—but we’re not a hardcore milsim. You won’t find mandatory attendance, weekly playtime quotas, or people expecting you to treat an in-game rank like a real-world commission. What you can expect: • Organized squads and tactical gameplay • A mature, relaxed community • No playtime or attendance requirements • Events and organized operations • Opportunities to learn, lead, and help shape the community • A dedicated Wardogs community server • 18+ is our only requirement Have a family? Work weird hours? Disappear for a week because life happened? Cool. Come back when you can. We want people who enjoy playing tactically when the shooting starts and shooting the shit when it doesn’t. ATLAS provides the organization; we don’t dictate your free time. Whether you’re an experienced milsim player or completely new to tactical games, if you’re willing to communicate, work with your team, and not take yourself too seriously, you’ll fit right in. ATLAS Tactics. Teamwork. Victory. Tactical by Choice. Casual by Nature. 18+ | No Playtime Requirements | Wardogs | Community Server | NA Only

Our mission is to recruit, train, sustain, and deploy scalable, expeditionary forces worldwide to accomplish special operations missions assigned by U.S. Special Operations Command

The Platypus platform gives community staff one shared place to run the work behind the scenes: profile info, awards and training handling, groups management, custom events, and temporary voice rooms. Platypus will keep decisions traceable and help keep routine admin tasks out of spreadsheets and scattered locations.

The 1st Battalion, 75th Ranger Regiment is a realism-focused milsim community dedicated to teamwork, discipline, and immersive tactical gameplay. We host daily operations, weekly training events, and large-scale campaigns that challenge players in dynamic combat environments. Whether you’re an experienced milsim veteran or just getting started, we provide the training and leadership needed to help you succeed. We are currently recruiting for multiple open positions across our Infantry, Armor, and Aviation elements, with opportunities ranging from entry-level operators to leadership roles. If you’re looking for an active, organized unit that values professionalism, teamwork, and realistic operations, join the 1/75 and become part of the mission.

Chill MILSIM community to join up with new players & Stay up to date with @Ewatchedit

The 22nd MEU arma reforger milsim was founded in 2025 with the aim to provide a realistic representation of how a marine MEU operates. We pride ourselves on making a fun and engaging experience for all gamers without all the egos. We are a US based milsim with our primary time zone being Eastern Standard Time.

United States Marine Corps / Arma Reforger MILSIM Unit. Actively seeking to fill the following MOS'S: Infantry, Corpsman, Pilots, Recon and MARSOC Do you have what it takes?

Welcome to the 2nd Battalion, 6th Marines Milsim, a serious and immersive military simulation unit. We have two rules: Real life will always be first and if you show up, show out!

Est. July 4th, 2016 - Operations that require real tactics, training, and quality teamwork to succeed. Join 1 of 3 Marine Special Operations Teams (MSOTs) or the 160th SOAR, SOF Rotary Aviation

Dive into B.I.A.'s unique MilSim experience, engaging in company-level operations with over 100 players. Explore various eras, from WW1 to modern conflicts.

Established in 2003 as realism units in PC gaming. Our focus is straightforward: solid teamwork, consistent training, and a professional environment where members can enjoy playing together. We value commitment and longevity, Soldiers are recognized with Anniversary gifts as a simple way to acknowledge time and dedication in the unit.