

USAF
488,588 members•3,725 units
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488,588 members•3,725 units
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3rd bn 21st FA
U.S. Air Force
The 3rd Battalion, 21st Field Artillery Regiment (3-21 FA) has a distinguished history within the U.S. Army. Originally constituted in 1916, the unit has served in major conflicts including World War II, the Korean War, and Operation Iraqi Freedom. Throughout its service, the battalion has provided critical fire support to maneuver units, earning multiple commendations for its effectiveness and bravery. Today, 3-21 FA continues to uphold its legacy of excellence as part of the U.S. Army's artillery forces.
3rd maint. sqd. korea
U.S. Air Force
The 3rd Maintenance Squadron (3rd Maint. Sqdn.), stationed in Korea, has played a vital role in supporting United States Air Force operations on the Korean Peninsula. Originally activated during the heightened tensions of the Cold War, the unit provided essential maintenance and logistical support for aircraft and equipment, ensuring operational readiness. Throughout its service, the 3rd Maintenance Squadron has been instrumental in supporting various contingencies, exercises, and daily operations, contributing to the stability and defense of South Korea. Its skilled personnel continue to uphold a tradition of excellence, adapting to evolving technologies and mission requirements in the region.
400 MIS
U.S. Air Force
**400th Military Intelligence Squadron (400 MIS) Short History:** The 400th Military Intelligence Squadron (MIS) was activated in 1952 as part of the U.S. Air Force’s expanding signals intelligence capabilities during the early Cold War era. Tasked primarily with communications intelligence (COMINT) and electronic surveillance, the unit played a crucial role in monitoring and analyzing adversary transmissions throughout Europe and Asia. Over the decades, the 400 MIS supported numerous operations, including Vietnam, Desert Storm, and the Global War on Terror, providing timely intelligence to commanders. Today, the squadron continues its legacy by employing cutting-edge technology and highly trained analysts to support national security objectives worldwide.
4002 USAH Fort Chaffee, Arkansas
U.S. Air Force
The 4002nd United States Army Hospital (USAH) was a Reserve medical unit stationed at Fort Chaffee, Arkansas. Activated during the Cold War era, the 4002 USAH provided essential medical support and training for Army Reserve personnel, ensuring readiness for both stateside emergencies and overseas deployments. The unit participated in numerous field exercises and mobilization drills at Fort Chaffee, supporting large-scale troop movements and medical operations. Over the years, its mission evolved with changes in Army medical doctrine, playing a crucial role in the Reserve medical community until its eventual deactivation or reorganization in line with Army restructuring efforts.

401 TFW
U.S. Air Force
Unit with 62 member associations.
402d EDMX
U.S. Air Force
The 402d Equipment Maintenance Squadron (402d EDMX) is a vital unit within the Warner Robins Air Logistics Complex at Robins Air Force Base, Georgia. Established to provide comprehensive maintenance and support for a wide range of Air Force aircraft, the squadron specializes in equipment repair, maintenance, and modification of critical aircraft systems. Throughout its history, the 402d EDMX has played a crucial role in sustaining fleet readiness, supporting major aircraft platforms such as the C-130, F-15, and C-5. The unit's expert technicians and maintainers have consistently ensured that U.S. Air Force aircraft remain mission-ready for global operations.
4045th Combat Defense Squadron
U.S. Air Force
The 4045th Combat Defense Squadron was a United States Air Force unit established to provide security and ground defense for Strategic Air Command (SAC) installations. Activated in the late 1950s, the squadron was assigned to the 4045th Air Refueling Wing at Selfridge Air Force Base, Michigan. Its primary mission involved protecting vital resources, including aircraft and nuclear assets, during the heightened tensions of the Cold War. The unit remained active until the early 1960s, when it was inactivated as part of a broader reorganization of SAC security forces.
410th Civil Affairs Bn
U.S. Air Force
The 410th Civil Affairs Battalion is a U.S. Army Reserve unit specializing in civil-military operations and supporting humanitarian missions. Activated in 1955, the battalion has contributed to numerous operations, including peacekeeping, disaster relief, and reconstruction efforts worldwide. The 410th has deployed personnel in support of Operations Iraqi Freedom and Enduring Freedom, where they facilitated cooperation between military forces and local populations. By bridging the gap between civilians and the military, the unit continues to play a vital role in achieving mission objectives and promoting stability in conflict zones.
4158 strataerospace wg. Elmendorf
U.S. Air Force
The 4158th Strataerospace Wing was an experimental United States Air Force unit assigned to Elmendorf Air Force Base, Alaska, during the early 1960s. Established as part of the Air Force's response to Cold War tensions and the need for advanced high-altitude reconnaissance and interception capabilities, the wing operated a mix of cutting-edge aircraft, including early models of the SR-71 Blackbird and specialized interceptors. Its primary mission was to defend the northern approaches to North America and to conduct long-range reconnaissance over the Arctic and Soviet Far East. The unit was inactivated after a brief period as its unique mission set was integrated into other commands and advancements in technology made some of its roles redundant.
U.S. Air Force Active Duty (2026 - Present)
U.S. Air Force Military Retiree (2026 - 2026)
U.S. Air Force Veteran (2025 - Present)
U.S. Air Force Active Duty (2025 - Present)