A film from 1981 - about the salvation of crashed allied aircraft, RAF, and United States of world war II in the reclaimed land of the (Zuiderzee) South Sea, now IJsselmeer.

In this film Some of our Airmen are no longer missing, you see Recovery Officer (also to see here) Gerrit Zwanenburg. 

See also this film about the recovery of human remains 

Een ontroerende documentaire van decennia geleden over de luchtoorlog boven Nederland