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  • 7 weeks ago
NASA conducted a full-scale static test fire of the Booster Obsolescence and Life Extension (BOLE) solid rocket motor - part of the Space Launch System at a test facility in Utah. An anomaly occurred near the end of the test.

Credit: NASA Marshall Space Flight Center | edited by Space.com's Steve Spaleta
Transcript
00:00Activate aft deluge.
00:02Activated.
00:04Whoa.
00:06T plus, 110 seconds.
00:09Activate forward deluge.
00:11Activated.
00:145, 4, 3, 2, 1, fire.
00:22T plus, 5 seconds.
00:27T plus, 10 seconds.
00:30T plus, 20 seconds.
00:47T plus, 30 seconds.
00:57T plus, 40 seconds.
00:59T plus, 50 seconds.
01:09T plus, 50 seconds.
01:09T plus, 60 seconds.
01:19T plus, 70 seconds.
01:29T plus, 80 seconds.
01:39T plus, 90 seconds.
01:39Central support system operator, enable the deluge, CO2, and quench tool controls.
01:44Enabled.
01:46T plus, 90 seconds.
01:4890 seconds.
01:4990 seconds.
01:49Open the accumulator, enable valve.
01:51Accumulator is enabled.
01:53T plus, 100 seconds.
01:58T plus, 100 seconds.
01:59T plus, 100 seconds.
02:02Activate aft deluge.
02:05Activated.
02:06Whoa.
02:08T plus, 110 seconds.
02:11Activate aft deluge.
02:12Activate aft deluge.
02:13Activate aft deluge.
02:14Activate aft deluge.
02:15T plus, 120 seconds.
02:17T plus, 120 seconds.
02:20T plus, 120 seconds.
02:26Activate head-end CO2.
02:34Activated.
02:38Activate quench tool command forward. Activate aft CO2.
02:44Activated.
02:46Activated.
02:56TVC power is disabled.
02:58Roger.
03:00T plus 160 seconds.
03:08T plus 170 seconds.
03:12High speed data operators.
03:16Standby.
03:18Activate aft Deluge.
03:20Activated.
03:22T plus 110 seconds.
03:26Activate forward Deluge.
03:30Activated.
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