Delta 4 Heavy NRO Launch 44: Launch time and live stream details

United Launch Alliance has been preparing to launch its ambitious expendable heavy-lift launch rocket Delta IV Heavy for National Reconnaissance Office and carry surveillance satellite to Earth’s orbit. launch mission, which was originally scheduled to take place on Thursday, h to be rescheduled for Saturday.

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ULA Delta 4 launch time

ULA Delta 4 Heavy was set to take off at 2:04 AM from NASA's Launch Complex 37 at Cape Canaveral in Florida, however, it was moved to 3:28 AM after issues with temperature reing on launcher. countdown h stopped functioning just a few seconds before liftoff. ULA confirmed on Twitter that  NRO Launch 44 launch has been scrubbed, however, it is yet to anunce a new launch date for mission.

Delta 4 Heavy was first launched in year 2004 and upcoming NRO Launch 44 mission will be its 12th launch. However, first mission which carried  boilerplate paylo was an unsuccessful one as it failed to reach desired orbit.

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ULA Delta 4 launch live stream

ULA Delta 4 Heavy launch mission was available for live streaming on official YouTube channel of United Launch Alliance. While mission has been cancelled, you can still watch pre-launch event in  video embedded below. You can he back to ULA's official YouTube channel to catch  live event during launch.

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ULA Delta 4 Heavy launch mission called 'NRO Launch 44' will be first Delta 4 to go on a mission after retirement of Delta 4 Medium last year, on August 22, 2019. Delta 4 will soon be replaced by Vulcan in future. However, before that happens, it is also worth ting that Delta 4 still has a number of missions that have been scheduled to take place until 2024.

After X's Falcon Heavy rocket, Delta 4 Heavy is highest-capacity rocket that is still in use. It was developed by United Launch Alliance.

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Im credits: Flight Insider