Answer: convoy

AnswerCrossword Clue
CONVOYGroup that travels together for safety
CONVOYMilitary escort
CONVOYNaval escort.
CONVOYMarine escort.
CONVOYMother duck on a pond.
CONVOYBattleships, cruisers, corvettes, etc.
CONVOYTruck lineup
CONVOYProcession
CONVOYAccumulation
CONVOYEscorted group
CONVOYC.W. McCall hit of 1976
convoyA group of ships or vehicles traveling together, typically accompanied by armed troops, warships, or other vehicles for protection
convoyto escort (to accompany)