EastCoastmetal
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Cool.

Taking advantage of near-ideal weather, the rocket's Russian-built RD-180 first stage engine roared to life at 7:13 p.m. ET, followed moments later by ignition of five strap-on solid-fuel boosters, almost instantly pushing the 20-story rocket skyward.
Mounted in the rocket's nose cone were a military communications support satellite and another experimental spacecraft carrying multiple experiments, including a free-flying sub-satellite named Mycroft, presumably after Sherlock Holmes' older brother.
All three were bound for a high orbit near the region where military and commercial communications satellites operate 22,300 miles above the equator.
Generating a combined 2.6 million pounds of thrust, the Atlas 5's workhorse Russian engine and the five strap-ons majestically pushed the rocket away from pad 41 at the Cape Canaveral Air Force Station, leaving a churning cloud of exhaust and a crackling roar in its wake.
The fact sheet said the EAGLE satellite also carries sensors and experiments to "detect, identify and analyze system threats such as man-made disturbances, space weather events or collisions with small meteorites.
"Together, EAGLE and Mycroft help train operators and development of tactics, techniques and procedures during exercises or experiments to improve space war fighting."
Skipped a bunch.
https://www.cbsnews.com/news/united-launch-alliance-atlas-5-rocket-launches-multi-satellite-pentagon-payload/

Taking advantage of near-ideal weather, the rocket's Russian-built RD-180 first stage engine roared to life at 7:13 p.m. ET, followed moments later by ignition of five strap-on solid-fuel boosters, almost instantly pushing the 20-story rocket skyward.
Mounted in the rocket's nose cone were a military communications support satellite and another experimental spacecraft carrying multiple experiments, including a free-flying sub-satellite named Mycroft, presumably after Sherlock Holmes' older brother.
All three were bound for a high orbit near the region where military and commercial communications satellites operate 22,300 miles above the equator.
Generating a combined 2.6 million pounds of thrust, the Atlas 5's workhorse Russian engine and the five strap-ons majestically pushed the rocket away from pad 41 at the Cape Canaveral Air Force Station, leaving a churning cloud of exhaust and a crackling roar in its wake.
The fact sheet said the EAGLE satellite also carries sensors and experiments to "detect, identify and analyze system threats such as man-made disturbances, space weather events or collisions with small meteorites.
"Together, EAGLE and Mycroft help train operators and development of tactics, techniques and procedures during exercises or experiments to improve space war fighting."
Skipped a bunch.
https://www.cbsnews.com/news/united-launch-alliance-atlas-5-rocket-launches-multi-satellite-pentagon-payload/