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  • 8 hours 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.
02:18T plus, 120 seconds.
02:20T plus, 120 seconds.
02:31Activate aft deluge.
02:32Activate aft deluge.
02:33Activate head in CO2.
02:35Activated.
02:37Activate quench, crunch control forward command forward.
02:53Activate aft CO2.
02:53Activate quench tool forward, command forward.
03:01T-plus 160 seconds
03:08T-plus 170 seconds
03:12High-speed data operators
03:16Standby
03:19Activate AFT Deluge
03:22Activated
03:24T-plus 110 seconds
03:28Activate AFT Deluge
03:30Activated
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