A Marine CH-53 Sea Stallion helicopter sits with ramp lowered as a mixed team of American and indigenous fighters gathers alongside it, part of the Gene McCarley Collection documenting Operation Tailwind. Conducted in September 1970, Tailwind was one of the largest MACV-SOG cross-border operations of the Vietnam War, sending a Hatchet Force team deep into Laos to strike enemy logistics along the Ho Chi Minh Trail. Project: 219480