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Atlas 5 launch timeline for the AEHF 6 mission

3 monthes ago   |   By Spaceflight Now

A United Launch Atlas 5 rocket is set to launch the U.S. Air Force's sixth and final Advanced Extremely High Frequency communications satellite from Cape Canaveral. This timeline shows the major mission events planned over a nearly six-hour flight to an optimized geostationary transfer orbit.
The 197-foot-tall rocket, propelled by an RD-180 main engine and five solid rocket boosters, is set for liftoff during a two-hour launch window Thursday, March 26, that opens at 2:57 p.m. EDT .
The AEHF 5 mission will be the 83rd flight of an Atlas 5 rocket, and the second Atlas 5 launch of...
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Photos: Atlas 5 rocket rolls out to launch pad at Cape Canaveral

Photos: Atlas 5 rocket rolls out to launch pad at Cape Canaveral

3 monthes ago   |   By Spaceflight Now

United Launch Alliance's next Atlas 5 rocket moved to its launch pad Wednesday at Cape Canaveral, taking position for liftoff with the U.S. military's sixth and final Advanced Extremely High Frequency secure communications satellite.
The 197-foot-tall Atlas 5 rocket, fitted with five strap-on solid rocket boosters, completed the third-of-a-mile trip pushed by trackmobiles along rail tracks laid between ULA's Vertical Integration Facility and Cape Canaveral's Complex 41 launch pad.
Liftoff is scheduled for 2:57 p.m. EDT Thursday, the opening of a two-hour launch window.
The combined Atlas 5...
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