launched fromUSA

STEP-2

Partial

MAY 19199417:03:00 UTC

Orbit slightly low.

Orbit slightly low.

LIFTOFF

MAY 19 1994

17:03:00 UTC

Partial

launched fromEdwards

aboardPegasus with HAPSintoLEO

Carrier aircraft

Boeing B-52

Payload

STEP-2 (Space Test Experiments Platform/Mission 2/SIDEX)