HC Deb 05 December 1977 vol 940 c541W
Mr. Trotter

asked the Secretary of State for Defence whether members of Her Majesty's Forces are permitted by the terms of their engagement to supplement their incomes by part-time work outside their military duties; how many Royal Air Force personnel at West Drayton are employed part time by Mars and if he will make a statement.

Mr. Wellbeloved

Yes, provided they have the approval of their commanding officer; about 100.