Related Clues:

• Listens to the way one joins forces
• Half a hundred is what gets sent into the army
• To get sent around fifty is how one joins up
• Listens to the way to join forces
• This joins up if one listens
• Joins forces and listens
• Doesn't need to be drafted
• Joins up, taking quarters overlooking field of combat
• Rolls following first pair of English volunteers?
• Listens out for recruits
• Recruits roll in from three directions
• Listens frantically then joins the Forces
• Listens (anag.)
• Volunteers organise silent protests at the end
• Recruits surprisingly listen on square