NROL44 任務 Delta IV Heavy rocket

[peter]

https://www.ulalaunch.com/missions/next-launch/delta-iv-heavy-nrol-44

https://youtu.be/Fx5GjjCtcgo

Rocket: Delta IV Heavy
• Mission: NROL-44
• Launch Date: Aug. 27, with a launch time of 2:12 a.m. EDT
• Launch Period: The launch period on Aug. 27 is from 1:50 to 6:25 a.m. EDT
• Launch Location: Space Launch Complex-37, Cape Canaveral Air Force Station, Florida

Mission Information: A United Launch Alliance (ULA) Delta IV Heavy rocket will launch the NROL-44 mission for the National Reconnaissance Office (NRO). Liftoff will occur from Space Launch Complex-37 at Cape Canaveral Air Force Station, Florida.


https://www.ulalaunch.com/rockets/delta-iv



https://www.nasaspaceflight.com/2020/08/nrol-44-stacked-nssl-awards/

[peter]

3 片方式整流罩 比較可靠  還有空間長一些
合約有時會要求到整流罩

[peter]

https://www.spaceflightinsider.com/space-flight-news/hot-fire-abort-safely-keeps-delta-iv-heavy-nrol-44-on-the-ground/


https://www.cnbeta.com/articles/science/1022167.htm  

代号为NROL-44的发射在从佛罗里达州卡纳维拉尔角空军基地的航天发射场37号发射台进行，值得注意的是，火箭升空前3秒任务才被中止

这次中止的发射是此前两次发射被取消后的第三次发射尝试。客户方面取消了8月26日的一次发射，
而8月27日的一次发射因气动控制系统接地的技术问题而取消。