Related Clues:
- Tommy Cooper makes this joke finally after son out of prison
- What's in 21 across is similar to what's in the army
- What's highly classified? God knows!
- Nonpublic
- Eg arm borne by soldiers, those taking a back seat?
- Public's opposite
- Classified source of energy found in new crop test
- Clandestine soldier
- Tommy's revealing little
- Own monkey, perhaps, after a change of heart
- Secret soldier
- Not to be shared or revealed
- Hush-hush operations in Crete upset head of tourism
- Doctor protects drug, making injection for certain people only
- Hush-hush, and a hint to the starred answers' starts