 First, Blimp Lebec is shot down.Then after Scrounger, MacLean's navigator, is killed, MacLean uses his flying skills to crash his unwieldy bomber into the nimble fighter, sacrificing himself to save the others.During pre-production, Joseph W. G. Clark, the public relations director of the British Commonwealth Air Training Plan was heavily involved in promoting a film project that was initially identified as "Bush Pilots" based on a script submitted by Canadian screenwriters.