Viewed past the barrel of an M60 door gun, a helicopter crew member's eye is drawn to the endless, cloud-wrapped mountains of the Laotian panhandle. Photographs like this document the aerial support flown for MACV-SOG covert operations such as Operation Tailwind, a September 1970 cross-border reconnaissance-in-force mission into Laos along the Ho Chi Minh Trail. Project: 219432