For an elite group of Vietnam War fliers, the risky work was made a bit easier by knowing that a lot of people were looking out for them Nearly 40 years ago, the Air Force headquarters in Saigon formed a top-secret unit called Commando Sabre--radio call sign "Misty"--that flew risky, often terrifying missions over North Vietnam's Ho Chi Minh Trail in two-man F-100 jet fighters, scouring the terrain for targets. The Misty pilots had no laser targeting pods or smart bombs or night vision goggles, yet they developed many of the tactics the Air Force still uses today over Iraq,...