service number
Indentification number used in formal groups
US Marine Corps service number
Identification code for US Marine Corps personnel
US Army service number
used by the United States Army from 1918 until 1969
US Air Force service number
Military service number assigned by the United States Air Force, 1948-1969
US military service number
military service number assigned by the United States Armed Forces, 1918-1974
US Coast Guard service number
Identification number used for military personnel