Small satellite used to test the Vanguard three-stage launch vehicle. May 28, 1958 at 03:46 UTC · Launch Failure Vanguard — US Navy, to Low Earth Orbit Launch Complex 18A, Cape Canaveral SFS, FL, USA The world's 12th orbital launch attempt, and 9th of 1958. Data: Launch Library 2, The Space Devs. Image by NASA (NASA Image and Media Guidelines) via The Space Devs.