High Altitude Research Project (HARP): shot of McGill University high altitude research project headquarters in Barbados, jeep driving up to door. HAMS and several shots of Martlet projectile being loaded into gun. Side shot of guns showing three shields of participating organizations ( McGill, US Army, ?) and countries. Various shots of large gun being elevated. Sequence on preparation of projectile, screwing of nose, tail sections, charging with tri-methyl aluminum to produce visible tail, loading on sabot and into quill, loading assembly into large breech. Night MLS of gun ready for firing. Interior shot of control bunker. Shots of loading of Martlet, loading of propellant into breech of gun. (00/06/1966)