Pathfinder 1 looks like a blimp, but much bigger. It's part of a wave of interest in "lighter-than-air" or LTA aircraft.
Key Points and Summary – In 1963, a U.S. Navy KC-130F Hercules turned “impossible” into routine by operating from the deck of ...
Stratolaunch previously announced it received $24.7 million from the Missile Defense Agency for a hypersonic flight test targeted for late 2025.