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Founded in June of 2007, the 15th MEU Realism Unit has maintained the standard of realism gaming in the ArmA community since its beginning.

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

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

The 72nd , founded in 2013, is comprised of over 50 active members which provides a relaxed mil-sim experience in the ArmA III gaming community.

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.

Looking for more than standard infantry operations? UK SFSG is an EU Time zone based Arma Reforger Milsim Unit built around immersive operations, varied roles and opportunities to progress through specialist training. We also host people from other time zones due to work scheduling etc. Available and upcoming roles include: 🪖 Infantry (Parachute Regiment/RM Commando) 🩺 Medical 🚁 Aviation (RAF/AAC) 🪂 Airborne Operations 💥 Fire Support Group (Coming Soon) 🎯 Special Forces Selection Pipeline 📻 RTO/Signals Whether you want to be on the ground, support the mission from the air, provide medical support or work towards a more specialised role, UK SFSG offers a path for you. We are continually expanding our courses, capabilities and operational opportunities. Think you have what it takes? Join our Public Discord and find out more!

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.

The 9th Ranger Regiment is a Semi realism WW2 Ranger unit focused on delivering a grounded experience of WW2 combat. If you couldn’t get into World War 2 because of insanely casual units and it pissed you off because you’re autistic like us, then the 9th could be a good home for you. The 9th is a platoon oriented unit that focuses on small unit tactics and the enjoyment of the player. We have historical accuracy within the unit yes, but have a deep understanding of what keeps players wanting more. Outside of the game there is no yes sir no sir bullshit that comes with other units, but when Op time comes around we flip the switch to a serious infantry combat experience. If you have the same deep levels of autism for the Second World War but also want to have a well structured experience, check us out.

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?

Ghost Platoon <GPLT> - founded in 2014 - is the premier light infantry and 75th Ranger Regiment milsim unit in the Arma 3 community. If you're looking for organized operations, real-world TTPs, and a platoon that expects you to improve - not just show up - this is where you belong. Earn your place here.

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.

Task Force Halberd is focused on realistic infantry and combined-arms operations. We emphasize tactical proficiency, teamwork, communication, and disciplined execution while adapting real-world military concepts into an enjoyable and practical in-game experience. Home to the developers behind Bifrost Dev, and the Congos Suite (Dynamic Lights, Crew Comms, and Tactical Graphics), and Better View Distance

Are you looking for an immersive, highly organized, and team-first MilSim experience? Special Operations Command is officially accepting new candidates to join the ranks of the elite Marine Raiders. We replicate modern Marine Special Operations Command (MARSOC) tactics, structures, and deployment pipelines.

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

The Bronze Path. Forged and bolted to a foundation of training, responsibility and expectations. Bronze is a US Navy SEALS pathway that sees its members enter with training requirements at BUDS. From there the path is yours to decide. Find a home with ST8 or SOAR, the 24th STS, or push DEVGRU requirements and try out as an elite operator on the Tier 1 side. (Currently Reforming) Either way you cut it, expectations are high. We run as an 18+ unit focused on PC Gameplay and immersion. Our leaders, shop members and story tellers focus heavily on story driven narrative both offline and online in mission. You can expect intelligence to be utilized, missions to be dynamic, and the other members around you to be professional. Welcome to Bronze. Forge a path. Earn your place.

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!

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

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.

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

Joint Task Force Olympus (JTFO) is an experienced ArmA III special operations unit built around structure, discipline, and excellence. Led by a seasoned command staff, we offer a streamlined, no-nonsense environment focused on performance, development, and mission success.

Blue Rebels Command is an organized Arma Reforger milsim group. We pride ourselves on professionalism, teamwork, and creating an immersive experience without sacrificing a welcoming community. Every operation is planned, every role matters, and every member contributes to mission success. What We Offer: • PvP & PvE Operations 
• Tournaments
 • Tactical Training & Skill Development 
• Active Daily Player Base 
• A welcoming community • Organized leadership • Unit Roles/ MOS/ Pipeline with room for advancement. • Realistic scheduling and requirements Come check us out. Rebs up! 🫡 https://discord.gg/tkCFddzheE

We are Coyote Company. We do raids, airfield seizures, HVT operations, direct action with a handcrafted and immersive storylines, where actions, successes and failures have consequences. We welcome both new and veteran players to join us in our operations! Please join our Discord if you are interested or have any questions, and to find out what roles we have open

We’re a PMC-style TacSim group focused on immersive, tactical gameplay without all the extra MilSim nonsense. We like coordinated operations, good teamwork, and having a good time while doing it.

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.

Made of Real Combat & SOF Vets Teaching tactics to the highest level Omega 90 Offers: - Solidified Unit / High Performance Server - Custom Mods / Dedicated Zeus's - Realistic Mission Creators Inspired By Real World Experiences - Mature Adult Attitudes & Team Cohesion - Established Real TTPs & SOPs - Large Mission Variety; To Include: o Counter-Terrorism o Special Reconnaissance o Direct Action, etc. The primary goal of Omega is for like-minded veterans and civilian personnel to learn and to improve in the conceptualization of military tactics and theory through video games and media. We are the most realistic, specialized Arma unit.