Shot STOKES, Operation PLUMBBOMB. The US Navy barrage balloon (or blimp) was five miles away from the nuclear detonation when it went off (and it was of course unmanned), and crashed from the shock wave of the blast. Observers give a sense of scale. Nevada Test Site, 1957.
U.S. Department of Energy/National Nuclear Security Administration, Nevada Site Office, PLU-57-081/AEC-57-5806.