Charles Heyman. (Publisher: Leo Cooper) (ISBN: 0850524792) 5 1/2 x 8 1/2, (Pagination: 224pp, illustrations, diagrams). An introduction to the United Kingdom’s defence industry. Wiring diagrams showing the details of all national military organisations from the Ministry of Defence down to the detailed organisation of a Royal Naval frigate, a Royal Air Force fast jet squadron and an Army infantry battalion.