Related Clues:

• Off base?
• Like a no-show
• Briefly
• Mil. truant
• Military hooky
• Person missed by a 63-Across
• Object of a manhunt, maybe
• Candidate for the brig
• Missing, in a way
• Gone wrong?
• Temporarily out of service?
• Missing, to an MP
• One caught off base, perhaps
• Missing G.I., perhaps
• Brig prisoner, perhaps