Related Clues:

• ''I'm talking to you!''
• "Pay attention!"
• Not tune out
• Join the forces
• Recruit
• 'Now see here …'
• Join the army
• Sign up (for)
• Prepare to serve
• Tune in
• 'Let me tell you ...'
• Sign for a hitch
• Not wait to be drafted
• Sign up to serve
• Gain the support of