Assertion: convoy | /r/CapableOf | cover their own troop movements
Facets:
value: for overseas service
type: PURPOSE
Source sentences:
text: Although convoys were used by the Royal Navy in 1914 to escort troopships from the Dominions, and in 1915 by both it and the French Navy to cover their own troop movements for overseas service, they were not systematically employed by any belligerent navy until 1916.