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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 183rd Air Assault Realism Unit is a unit based upon a United States Army Air Assault Division. Established in 2014 and continuing to maintain excellence!

Clandestine Services Group built for high-performers with a prior foundation. No ranks, just results. Select few. Prove you belong. 80% Fail rate

We host deployment operations on our private servers using: terrain, weapons, radios, vehicles, and modifications. Submit an Application Today!

We are 2-7 Infantry. We welcome old and new players alike, offering regular warfare as the US Army. Join our discord for more information or to apply!

The 72nd Special Forces Group (Airborne) is a tight-knit community full of Veterans, Active Duty, LEO, and serious MILSIM players who train and operate the way Special Forces were meant to — disciplined, adaptive, and human. Our focus isn’t on numbers or shiny ranks. It’s on trust, precision, and shared hardship. We value real experience.

We prioritize combined arms high-level coordination and tactical discipline without the power-tripping. Every mission is part of a persistent campaign where your squad’s performance dictates the story and losing assets impacts your future options.

The 7th Cavalry Gaming Regiment often referred to as "7Cav" is a long-standing Military Realism (MILSIM) unit that primarily plays first person military shooter

A semi-serious Air Assault themed Milsim comprised primarily of mature adults, Veterans and Active Duty military! This community focuses on immersive gameplay and structured military weekly operations in Arma Reforger across all platforms.

2DAB is a Special Forces-focused Arma 3 realism unit delivering immersive, teamwork-driven operations with challenging, story-rich campaigns.

47 Commando (Raiding Group) are the specialist crews who bring the fight to the enemy from support vehicles. Manning RHICC Fast Assault Craft and Coyote Fire Support vehicles, they provide the mobility, firepower, and tactical support that enable 40 Commando and the wider Battlegroup to strike anywhere, anytime.

Established in 2003 as realism units in PC gaming. Our focus is straightforward: solid teamwork, consistent training, and a professional environment where members can improve their skills and 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.

A community-focused milsim unit specialising in mechanised infantry and heavy armour. We operate as part of the PJHQ network, training and deploying alongside other units.

Regimental Combat Team 5 (RCT-5) includes 3D LAR, 3/5, and HMLA under RCT-5 Command. Vets/New Joins welcomed. Very active unit with weekly operations.

Our primary focus is straightforward: Teamwork, training, and a professional environment where members can improve their skills and enjoy playing together. We pride ourselves in valuing the time of our members and look forward to future operations.

Formal recruitment offer from the Special Reaction Team of the United State Marine Corps. As of 09/20/2022 14:30 Zulu. The Administration and Resource Management Team proudly announces open enlistment to qualified civilians within the Ground Branch community. The USMC Special Reaction Team (MSRT) is seeking individuals who seek a more immersive and rewarding gaming experience. VINCIT QUI SE VINCIT “He conquers who conquers himself”

Phantom Company is a British-style Arma Reforger milsim unit, focused on disciplined infantry, combined arms and story driven campaigns, we run structured train

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

4MMR blends real USMC structure and tactics with a laid-back MILSIM vibe. No egos, no mandates — just solid ops and good people who’ve done this since BF3.

40 Commando are a battalion within the UK's famous Royal Marine Commandos. We specialise in conducting amphibious raiding and high speed assault operations!

The MDF is a Hardcore Milsim team with a focus on challenging operations and immersive combat. Think you've got what it takes? OPS: TUE/THUR/SUN - 6:30PM UK TIME (ARMA 3 UNIT)

HTU is a Hellenic Milsim unit dedicated to providing an immersive Arma Series experience. We are committed to providing a fun and engaging environment.

SOCOM is an elite Arma 3 Milsim unit focused on realism, tactics, and teamwork—founded by SOF vets for those who value tactical and immersive gameplay

Ghost Platoon (GPLT) - founded in 2014 - is a community of friends playing Arma 3 with doctrinally sound Small Unit Tactics at the platoon-level. Join today! https://discord.gg/ghostplatoon

The 22nd MEU is a semi-serious Arma Reforger unit established in 2025, focused on coordinated gameplay, realistic tactics, and solid teamwork.

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.

🔰𝐄𝐥𝐢𝐦𝐢𝐧𝐚𝐭𝐞 𝐭𝐡𝐞 𝐥𝐚𝐠 𝐛𝐞𝐭𝐰𝐞𝐞𝐧 𝐢𝐧𝐭𝐞𝐧𝐭 𝐚𝐧𝐝 𝐢𝐦𝐩𝐚𝐜𝐭. 𝐇𝐢𝐠𝐡-𝐟𝐢𝐝𝐞𝐥𝐢𝐭𝐲 𝐬𝐢𝐦𝐮𝐥𝐚𝐭𝐢𝐨𝐧 𝐦𝐞𝐞𝐭𝐬 𝐮𝐧𝐜𝐨𝐦𝐩𝐫𝐨𝐦𝐢𝐬𝐢𝐧𝐠 𝐥𝐞𝐭𝐡𝐚𝐥𝐢𝐭𝐲. 𝐌𝐚𝐬𝐭𝐞𝐫 𝐭𝐡𝐞 𝐦𝐞𝐜𝐡𝐚𝐧𝐢𝐜𝐬. 𝐄𝐱𝐞𝐜𝐮𝐭𝐞 𝐭𝐡𝐞 𝐨𝐛𝐣𝐞𝐜𝐭𝐢𝐯𝐞. 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 𝐭𝐡𝐞 𝐀𝐎. 🔰

101st Airborne Division Milsim is a realism-focused Arma Reforger unit inspired by the heritage and standards of the U.S. Army’s airborne forces. We emphasize disciplined leadership, structured training, and coordinated operations across infantry, aviation, and support elements. Our goal is to deliver immersive, teamwork-driven gameplay while maintaining a professional milsim environment built on accountability, activity, and respect for military doctrine.

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?

We are a realism focused, semi-serious unit focused on combined arms warfare, we are welcoming to both Console and PC players as well as new players.

The mission of our unit is to create an authentic Marine Corps environment, where members experience the structure, discipline, and brotherhood of the Corps.

Hello! We are the King's Royal Regiment, a semi-serious ArmA 3 unit. We have various modsets & settings for operations but mainly do Modern, Cold War or Vietnam

The Marine Ranger Regiment is a milsim unit inspired by the real-world mission set and operational philosophy of the Marine Raiders. We focus on small, highly capable teams conducting demanding missions where discipline, coordination, and decision-making matter more than numbers or firepower. Our goal is to replicate the types of operations Marine Raiders conduct in real life, while keeping everything within a respectful and fictional milsim environment. Professionalism, adaptability, and trust within the team are core to how we operate.

Task Force Green is a relaxed MilSim who emphasizes fun while maintaining a high operational standard. Despite the relaxed atmosphere our team members are able to flip the switch and handle their business on target.

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29 Commando is a specialized unit within the British Army, trained to provide artillery support as part of UKCF.

Slovenian Black Panthers [SBP] have been around since 2001. We are a team of friends from both real life and weekly military mil-sims. English spoken events.

The 3rd Infantry Division, nicknamed “Rock of the Marne,” is one of the U.S. Army’s most decorated and resilient units, with a history spanning over a century of valor and innovation. Stationed at Fort Stewart, Georgia, the 3rd Infantry Division has shaped military history through its adaptability and courage, inspiring every member of our milsim to uphold its legacy in our virtual unit.

Blackstone Security Group is a premier private security company with a legacy rooted in excellence and operational expertise. Established in 1962 by former British Special Operations Forces, grown into a globally recognized security provider, offering specialized services to governments, military organizations, private corporations, and non-governmental agencies. ᵇʸ ᴮˢᴳ

X-Tac Operations Group is a milsim community focused on Arma Reforger PvP and PvE, with experience across other tactical shooters. We prioritize realism, professionalism, and immersive operations. Apply to join and then our staff will contact you.

● We are a team of warriors, bound by a common purpose and a commitment to one another. Our success is the teamwork and effectiveness of the entire unit. 𝑹𝒂𝒏𝒈𝒆𝒓𝒔 𝒍𝒆𝒂𝒅 𝒕𝒉𝒆 𝒘𝒂𝒚 ! ᵇʸ ⁷⁵ᴿᴿ

We are the original Marine Raider Regiment MilSim established when Reforger first came out. We built our numbers to have a full 3 battalions and are currently trying to rebuild back to our former glory. We were originally established by and GWOT veterans. We are chill and don't go overboard with nonsense and big heads.