Watch ULA abort a rocket launch at the last moment

Most rocket launch aborts are largely uneventful, but United Launch Alliance’s latest was... dramatic. The spaceflight outfit had to abort its NROL-44 mission (via Parabolic Arc) just three seconds before it was due to start, with the Delta IV rocket...

from TV Aerial Installation Services Warrington https://www.engadget.com/ula-aborts-mission-just-before-launch-205931211.html
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