sentences:  263 Squadron spent the next six months with 13 Group near Edinburgh.It assembled on 10 June 1940 at RAF Drem and after two weeks moved to RAF Grangemouth, where it spent three months before returning to Drem until November and then moved south to be nearer its intended targets in north France and the English Channel.During its time in Scotland, it was to sort out the final problems with the Rolls-Royce Peregrine engines and Hispano cannon.