I heardit on Classic FM the other day and they called it by name, suggesting it's older than 633 Squadron, but I can't remember what it's called.
(
Ijon Tichy,
Wed 5 Mar 2003, 9:52,
archived)
It's not called 633 Squadron, but itwas written for the fillum by Ron Goodwin, who died recently...
(
pxyzyzygy,
Wed 5 Mar 2003, 9:56,
archived)