Synonyms:
expeditionary
Meaning: (used of military forces) designed for military operations abroad; "the French expeditionary force in Indochina"
Usage examples
Sent to France as commander-in-chief of American Expeditionary Force. 1919.
The Government needed a man upon whom it could absolutely rely to be Commander-in-chief of the Expeditionary Forces.
It may be artificial: some old "war-trail" of the Comanches, erst trodden by their expeditionary parties on the maraud to Tamaulipas, Coahuila, or New Leon.
That night it was arranged that the following day Smith-Oldwick and Bertha Kircher should be transported to British headquarters near the coast by aeroplane, the two planes attached to the expeditionary force being requisitioned for the purpose.