Also operate.

8.4 METERS, | (27.5 FEET) 2-34 External Tank 08:50 118.3 (73.5) 28 160 (17 498) 1427 (886.6) separation OMS-1 ignition 10:39 126 (783) 28 129 (17 479) 2221 (1 380) OMS-1 cutoff 12:24 133.9 (83.2) 28 309 (17 591) 2 993 (1 860) OMS-2 ignition 43:58.

AND LAUNCH TO MAINTAIN CHANGE IN PRESSURE VENTS - IN WITH REENTRY DRAIN (PREFLIGHT AND POSTFLIGHT) GROUND-SUPPLIED AIR OR GASEOUS NITROGEN AT TEMPERATURE.