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Old 09-24-2017, 05:47 AM
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blackshire blackshire is offline
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Join Date: Jan 2009
Location: Fairbanks, Alaska
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Default "Premature completion"

Hello All,

Back in the Apollo days (at around the time of the considerably-less-than-perfect Apollo 6 mission), the program's personnel stopped referring to "failures," and spoke of "unfulfilled objectives" instead. I just came across another, newer term that was used to describe a recent sounding rocket mission that ended in a catastrophic failure just seconds after launch--"premature completion" of a mission. Now:

This video (see: www.youtube.com/watch?v=dL9HEYuOWDU - the final count begins at about 33:10) covers the failed but spectacular night launch--from Wallops Island--of a Terrier-Improved Malemute carrying the SubTec-6 payload on July 2, 2014 (see: http://www.google.com/search?source...1.0.9CNsjI34fwE ). The payload included a new low-cost vapor cloud release system and a new type of CubeSat deployment mechanism, which were to be tested, and:

At about 41:35 in the video, the announcer at Wallops referred to the "premature completion" of the mission (I was so astonished that I played it back to make sure I had heard it correctly), which the tracking video (and the radar data, as well as the telemetry downlink channel losses) clearly showed to be a total wipe-out. The Improved Malemute upper stage was tumbling and burning furiously at both ends, and it wasn't due to a thrust termination system having been activated, because the vehicle--like most sounding rockets--didn't have one.
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