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1,365,644 members•89,925 units
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1,365,644 members•89,925 units
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55 PSB DET B
U.S. Army
5501ST USAR HOSPITAL
U.S. Army
5502ND GENERAL ARMY HOSPITAL
U.S. Army
5503RD USAH
U.S. Army
550th FA
U.S. Army
The 550th Field Artillery Battalion (550th FA) was activated during World War II as part of the United States Army. Initially organized in 1942, the unit provided crucial artillery support for Allied ground operations in the European Theater. The 550th FA participated in several major campaigns, including the Normandy invasion and the advance across France and into Germany. After the war, the battalion was deactivated as part of the Army’s postwar drawdown, but its legacy of service and combat effectiveness remains recognized in military history.
550TH MI BN
U.S. Army

551 transportation ft. eustis Va.
U.S. Army
552 SIGNAL BATTALION
U.S. Army
552 signal corps
U.S. Army
552 TRANSPORTATION
U.S. Army
552ND SIGNAL COMP. 1ST SIGNAL BRIGADE USAISC KOREA
U.S. Army
552ND TRANS
U.S. Army
552ND TRANS CO
U.S. Army
553 Military Police
U.S. Army
553rd fld srv co
U.S. Army
553RD MP
U.S. Army
553RD S-S BN
U.S. Army
554 combat engr
U.S. Army
554 engineer batalion
U.S. Army
554 MAINT CO. QUI NHON
U.S. Army
554 MP
U.S. Army
554TH CONSTRUCTION ENGINEERS
U.S. Army
554th engineering
U.S. Army
554th MP
U.S. Army