A dusty forward landing zone crowded with AH-1 Cobra gunships and CH-47 Chinook transports, the kind of helicopter support that made cross-border reconnaissance operations possible during the Vietnam War. Missions such as the 1970 MACV-SOG incursion into Laos, code-named Operation Tailwind, relied on this close coordination between Army rotary-wing units and ground reconnaissance teams. Project: 219519