Related Clues:

• Server in force that's not controlled by state
• ''Confidentially . . .''
• Soldier; personal
• Gas about Number 4 gets ranker
• Like much property
• Off the record, I laid on tax cuts before
• Confidentially, in Cannes
• Not for many to know
• Tommy's secret
• 'Confidentially ... '
• "Confidentially ... "
• Soldier's retiring?
• Tommy Cooper makes this joke finally after son out of prison
• Not to be shared
• What's in 21 across is similar to what's in the army