Possible Clues:

• Superior to Tommy's tin helmet?
• Military higher-up
• Staff officer's supporters were seated round hospital
• Certainly no private hospital has items of underwear located around
• Rascal rings Jenny and Henry in the barracks locally
• Pentagon bigwig
• High-ranking army officer
• Officer supports second pillbox perhaps
• High-ranking officer, slangily
• High-ranking officer, informally