[2][3] It was released in 1964 in the US by American International Pictures on a double feature with Torpedo Bay (aka Beta Som).

[4][5] In the UK this film was shown at Odeon cinemas as part of a double feature with The Day of the Triffids.

Their mission is a success but when their escape helicopter is shot down they have to fight their way back to the French lines.

The theme music Concerto Disperato by Angelo Francesco Lavagnino became a top selling instrumental in Italy performed by Nini Rosso and in the UK with a cover version by Ken Thorne reaching No.

"[7] The Monthly Film Bulletin said "despite up-to-date dressing this is basically a schoolboy adventure story, though somewhat grimly executed... the narrative owes more to war movies than P.C.