launched from USA

Test flight vehicle

Failure
MAY 08196219:49:00 UTC

First launch of the Atlas-Centaur vehicle. Centaur insulation panel separated prematurely, resulting in LH2 tank rupture at T+53 seconds and subsequent complete launch vehicle destruction.

launched from LC-36A Canaveral

aboard Atlas Centaur-A LV-3C AC-1 into Suborbital

Payload

Unnamed payload

Test flight vehicle