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