HC Deb 20 November 1962 vol 667 c120W
Q11. Mr. Callaghan

asked the Prime Minister what instructions have been issued to junior Ministers in Service Departments with a knowledge of security matters about the disclosure of such information.

The Prime Minister

All Ministers are well aware that they are subject to the provisions of the Official Secrets Acts, and that they are expected to conform to the security rules of their Departments.