Dan Coatta

A helium balloon carrying an experimental saucer-shaped NASA spacecraft floated off a launch tower at the U.S. Navy's Pacific Missile Range Facility in Kauai, Hawaii, on Saturday to test landing systems for future missions to Mars.

A helium balloon carrying an experimental saucer-shaped NASA spacecraft floated off a launch tower at the U.S. Navy's Pacific Missile Range Facility in Kauai, Hawaii, on Saturday to test landing systems for future missions to Mars.