Spitfire IX L.F. , NH574 (FN-K)
12 a/c led by Major Gram took off from base to provide close escort to 120 Lancasters bombing Noball target in the Pas de Calais area. 1 a/c piloted by the major got a punctured boostaneroid and returned to base after 20 mins. flying. 1 a/c developed generator trouble and had to return to base. 1 a/c was detailed to escort the latter a/c. The operation proceeded according to plan and the bombing appeared to be good. Heavy acc. flak was encountered over T/A and on the way out. All our a/c returned safely to base.