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NROL-44 on Launch Pad. Image credit: ULA
Launch of Delta IV Heavy with payload NROL-44
Video Credit ULA
Launch scheduled for 11 Dec 20 at 1:09 GMT
Local time 10 Dec 20 at 8:09pm Eastern
United Launch Alliance's largest rocket will be used for the 8th time for the National Reconnaissance Office when it will loft the top secret NROL-44 payload into orbit.
The Delta IV Heavy has a triple booster configuration powering a RS-68A main engine in each core. Designed and manufactured by Aerojet Rocketdyne, the throttleable RS-68A engine is the largest existing hydrogen-burning engine.