LAUNCHDATE LAUNCHSITE PAYLOAD APRIL 3, 1990 PALMACHIM AFB. OFEQ-2 APRIL 5, 1995 PALMACHIM AFB. OFEQ-3 JANUARY 22, 1998 PALMACHIM AFB. OFEQ-4 (failed) MAY 28, 2002 PALMACHIM AFB OFEQ-5