Two Air Force crews complete the first trans-Pacific helicopter flight as they land their Sikorsky HH-53Cs at Da Nang Air Base, South Vietnam, after a 9,000-mile flight from Eglin Air Force Base, Fla. The helicopters were refueled in flight.
Facing competition from fast-growing startups, Lockheed Martin is speeding up production of an “affordable, scalable” hypersonic glide body, dubbed the Next Generation Glide Body, the firm said in a June 24 release.