Engineers of the 7th Photographic Reconnaissance Group fit a fuel tank to the wing of an F-5 Lightning. Image stamped on reverse: 'Esten Illustrated.' [stamp], 'Passed for Publication 8 Jul 1943.' [stamp] and '273535.' [Censor no.]. Printed caption on reverse: 'Esten (Illus). Modern "Cyclops" of the USAAF. 8.7.43. OPS 3: The answer to the query "How do they fly so far?" Here is a drop petrol tank which when the fuel is consumed is dropped off. Two of these are carried, one under each wing. 8.7.43'