United States Army/Catalogs
- Third United States Army : In United States Central Command, the headquarters organization for United States Army Components. Also designated ARCENT.
- Seventh United States Army : Headquarters for the U.S. Army elements of United States European Command; the largest formation in the United States Army. Also designated USAREUR. Major U.S. Army formation in the WWII Battle of Sicily (Operation HUSKY)
- Eighth United States Army : Actually consisting of a reinforced division, this is the headquarters for U.S. Army forces in South Korea, but its four-star commander also commands United States Forces Korea and the United Nations Command
- I Corps : U.S. Army corps headquartered at Fort Lewis, Washington; designated principally as a command organization for Pacific contingencies; commanded by LTG Charles Jacoby Jr.
- III Corps : Usually called by its traditional name, III Armored Corps, one of the three active-duty U.S. Army contingency operations corps units, with headquarters at Fort Hood, Texas; commanded by LTG Bob Cone
- V Corps : A major tactical and operational command headquarters of the United States Army, normally forward-deployed in Heidelberg, Germany as part of United States European Command
- XXVIII Airborne Corps : Add brief definition or description
- 1st Infantry Division (U.S.) : A prominent U.S. Army division, known as the "Big Red One" for its insignia, a bold red 1 on a green shield; stationed in Fort Riley, Kansas.
- 1st Cavalry Division : A heavy division of the United States Army, partially deployed to Baghdad; part of III Corps at Fort Hood, Texas
- 2nd Infantry Division (U.S.) : U.S. Army division headquartered in South Korea; brigades rotate to the Middle East Fort Lewis, Washington
- 3rd Infantry Division (U.S.) : A heavy division of the United States Army, assigned to the XVIII Airborne Corps, based at Fort Stewart, Georgia; main Army attack force in Iraq War
- 1st Armored Division (U.S.) : A heavy division of the United States Army, based at Fort Bliss, Texas; subordinate to III Corps
- 82nd Airborne Division : One of the strategic reserve units of the United States Army, this is the only division-sized organization that is completely parachute-qualified for air assault operations.
- 101st Airborne Division : A division of the U.S. Army, originally created as airborne, but now air assault with permanently assigned helicopter mobility
Brigade Combat Teams
- 1st Heavy Brigade Combat Team : "Ready First", normally part of the 1st Armored Division (U.S.) at Fort Bliss, Texas; now assigned to Task Force Marne in Iraq
- 2nd Heavy Brigade Combat Team : "Warrior", U.S. Army Heavy Brigade Combat Team, part of the 3rd Infantry Division (US) at Fort Stewart, Georgia; Colonel Charles E. A. Sexton is the commander and Command Sergeant Major Valmond A. Martin is senior enlisted adviser
- 3rd Armored Cavalry Regiment : A U.S. army Heavy Brigade Combat Team, one of the few that retains the formal title of "regiment"; it retains its lineage and traditional name of "Brave Rifles," and is an active unit with a distinguished record.
- 2nd Stryker Cavalry Regiment : Formerly the 2nd Armored Cavalry Regiment and the longest-serving Cavalry unit in the U.S. Army, a medium Stryker Brigade Combat Team assigned to United States European Command
- 3rd Stryker Brigade Combat Team : Unit of the 2nd Infantry Division (U.S.), based at Fort Lewis, Washington Arrowhead, part of [[2nd Infantry Division (U.S.), Fort Lewis, Washington
- 4th Stryker Brigade Combat Team : Assigned to the 2nd Infantry Division (U.S.), the last U.S. combat brigade to leave Iraq, in August 2010 To the Objective, part of [[2nd Infantry Division (U.S.), Fort Lewis, Washington
- 4th Infantry Brigade Combat Team : "Dragon Brigade", U.S. Infantry Brigade Combat Team, normally part of the 1st Infantry Division (U.S.), returning from Task Force Marne in Iraq
- 173rd Airborne Brigade : An Airborne Infantry Brigade Combat Team, independent of the 82nd Airborne Division, primarily assigned to United States European Command but also having been assigned to United States Central Command for assignments in Iraq and Afghanistan; one of the first U.S. Army combat units used in Joint warfare in South Vietnam 1964-1968
- 1st Combat Aviation Brigade : Add brief definition or description Demon, 1st ID
- 25th Combat Aviation Brigade : Add brief definition or description Wings of Lighting, 1st ID
- M16 (rifle) : The primary U.S. infantry rifle, an assault rifle firing 5.56mm intermediate power ammunition; M4 (rifle) is the carbine (i.e., shorter-length) version
- M9 (pistol) : Add brief definition or description
- M203 grenade launcher : An accessory for the M16/M4 rifle series, consisting of a single-shot 40mm grenade launcher that attaches under the rifle barrel; fires the same grenade as the Mark 19, M79, and M320
- M249 (machine gun) : U.S. standard light machine gun, also called the squad automatic weapon, firing 5.56mm ammunition, and is a derivative of the Belgian FN MINIMI (machine gun)
- M320 grenade launcher : An improved 40mm grenade launcher for the U.S. Army, replacing the M79 and M203 grenade launchers with a lighter weapon that fires a wider range of ammunition, while still firing those made for the older launchers
- Intra-squad radio : Short-range radios, of varying levels of capability, intended to be issued to every infantry soldier and used for communication among members of a squad; newer versions provide real-time location information as well as hands-free voice
- AN/PRC-154 : Intra-squad radio within the Joint Tactical Radio System, providing secure voice and personal location information for every soldier in an infantry squad
- AN/PRC-148 : The Multiband Inter/Intra Team Radio (MBITR), which covers the HF through VHF spectrum, is the first widely defined military software-defined radio, although it precedes the Joint Tactical Radio System.
- Squad tactical radio : The designation, in U.S. and many other militaries, for a backpack radio assigned to squads of 9-13 soldiers, used for tactical coordination over a range of approximately 5 miles/8 kilometers; subsequent generations are more rugged, secure, and more power-efficient
- FGM-148 Javelin : A shoulder-fired, "fire and forget" missile using thermal viewing in the control unit and seeker, the missile has selectable pop-up anti-tank and direct fire (i.e., against buildings) flight modes
- M1 Abrams (tank) : Heavily armed and armored but expensive and heavy, main battle tank, designed for the United States Army, and used by the United States Marine Corps and several allies; proven from the Gulf War onwards.
- M2 Bradley (armored fighting vehicle) : A family of armored fighting vehicles, with roles including infantry fighting vehicle, scouting, forward observer, and other functions in a platform sufficiently survivable to accompany the M1 Abrams tank, although needing more protection
- M109 howitzer : A family of self-propelled 155mm howitzers developed by the U.S. Army
- M1126 infantry carrier vehicle : Light, wheeled armored personnel carrier of the U.S. Army's Stryker family (ICV)
- M1127 reconnaissance vehicle : Reconnaissance systems and scout soldier carrier of the Reconnaissance, Surveillance and Target Acquisition Squadron in Stryker Brigade Combat Teams (RV)
- M1128 mobile gun system : Direct support self-propelled 105mm cannon in the Stryker family of the U.S. Army (MGS)
- M1129 mortar carrier : (MC) self-propelled 120mm mortar for indirect fire in direct support of Stryker Brigade Combat Teams
- M1130 command vehicle : A member of the U.S. Army Stryker vehicle series, which contains four workstations for command and staff personnel, working in a mobile, on-the-move combat environment (CV)
- M1131 fire support vehicle : Add brief definition or description (FSV)
- M1132 engineer squad vehicle : Light, wheeled, highly mobile combat engineering vehicle, part of the Stryker family of military vehicles and deployed with Stryker Brigade Combat Teams (ESV)
- M1133 medical evacuation vehicle : Add brief definition or description (MEV)
- M1134 anti-tank guided missile vehicle : Long-range precision direct fire system for U.S. Army Stryker Brigade Combat Teams, armed with the BGM-71 TOW heavy antitank missile that also can engage hard targets such as bunkers, at longer range than tank cannon (ATGM)
- M1135 nuclear, biological, chemical reconnaissance vehicle : (NBC RV) Part of the Stryker vehicle family but to be used in both the Stryker and Heavy Brigade Combat Teams, a nuclear, biological, chemical reconnaissance vehicle for battlefield detection and survey; will replace the XM93 Fuchs (nuclear, biological, chemical reconnaissance vehicle)