Complex sentence: In 1960, while stationed in Okinawa, then Major Slavich discovered a detachment of 12 HU-1A "Huey" support helicopters, formed a company, and worked to arm the helicopters as the French had armed theirs in Algeria in the late 1950s.
Split into simpler sentences: In 1960, while stationed in Okinawa, then Major Slavich discovered a detachment of 12 HU-1A "Huey" support helicopters. He formed a company, and worked to arm the helicopters as the French had armed theirs in Algeria in the late 1950s.