Answer: rso

AnswerCrossword Clue
RSOBrit. quartermaster
RSO"Saturday Night Fever" and "Fame" record label
RSORy. office: Brit. abbr.
RSORelative of Army Q.M.
RSOTrain mail abbr.
RSOPostal unit: Abbr.
RSOArmy V.I.P. in charge of provisions
RSOMil. goods functionary
RSOBee Gees' former record label