Crossword clues for Military branch: Abbr. 3 lettersAnswerClueAFSMilitary branches: Abbr.CAVMilitary branch: Abbr.USNMilitary branch: Abbr.ARTYMilitary branch: Abbr.USAFFlying military branch: Abbr.USAFAmerican military branch: Abbr.USAFBranch of the military (abbr.)