an Entity references as follows:
Code Name: Diamond Head is a 1977 American spy film starring Roy Thinnes as an undercover counterintelligence officer known as Diamond Head whose mission is to stop a rogue double agent from stealing the formula for a new chemical weapon. Originally filmed as a pilot for a new television drama (which was never picked up by the networks), it was eventually used for The NBC Monday Movie on U.S. broadcast network NBC.