[1] [2] It is based on the 1931 novel of the same title by Joseph Peyré, which was made into a 1936 Italian film The White Squadron.
Location shooting took place around Adrar in the Sahara Desert in French Algeria.
Members of the Saharan Companies of the French Foreign Legion appeared as themselves in the film.
A squadron of French mounted troops carry out a dangerous mission in a remote part of Algeria.
When the captain is killed, his second-in-command takes over and successfully leads the remaining troops back to their base.