Armed Forces Expeditionary Medal

Awarded to personnel of the Armed Forces of the United States who after 1 July 1958:

(a) Participate, or have participated, as members of U.S. military units in a U.S. military operation in which, in the opinion of the Joint Chiefs of Staff, personnel of any military department participate in significant numbers.

(b) Encounter, during such participation, foreign armed opposition, or are otherwise placed, or have been placed, in such position that, in the opinion of the Joint Chiefs of Staff, hostile action by foreign armed forces was imminent even though such hostile action did not materialize.