Delta IV - Wikipedia
Delta IV was a group of five expendable launch systems in the Delta rocket family. It flew 45 missions from 2002 to 2024. Originally designed by Boeing's Defense, Space and Security division for the Evolved Expendable Launch Vehicle (EELV) program, the Delta IV became a United Launch Alliance (ULA) product in 2006.
Delta IV - United Launch Alliance
The Delta IV Heavy rocket was a workhorse for the National Reconnaissance Office (NRO) launching 12 missions delivering critical national security payloads. The heavy-performance rocket is recognized for delivering high-priority missions for national security and NASA's first Orion spacecraft on an uncrewed flight test and sent the Parker Solar ...
德尔塔4 - 卫星百科，很认真的中文航天百科 - 灰机wiki - 北京嘉闻 …
德尔塔4 （Delta IV）属于德尔塔（Delta）火箭系列，于本世纪初首次发射。 德尔塔4最初由波音设计，后于2006年成为 联合发射联盟 （ULA）的产品。 德尔塔4主要用于发射美国空军的军用有效载荷，但也被用于发射一些美国政府非军用有效载荷和其他商业卫星。 德尔塔4最初有两个主要版本：中型（有四种配置）和重型。 这使得它的运力能够涵盖一系列有效载荷尺寸和质量。 德尔塔4重型已经在 UTC 时间2024年4月9日进行了最后一次发射，现已退役，鉴于 宇宙神5 已经 …
Delta IV Heavy launches on final mission - NASASpaceFlight.com
2024年4月9日 · United Launch Alliance’s Delta IV rocket has successfully launched Tuesday on its final flight, the NROL-70 mission for the National Reconnaissance Office. Liftoff from SLC-37B at the Cape...
Delta IV Heavy - Wikipedia
The Delta IV Heavy (Delta 9250H) was an expendable heavy-lift launch vehicle, the largest type of the Delta IV family. It had the highest capacity of any operational launch vehicle in the world after the retirement of the Space Shuttle in 2011 until the Falcon Heavy debuted in 2018, and it was the world's third highest-capacity launch vehicle ...
德尔塔-4运载火箭 - 维基百科，自由的百科全书
2024年5月31日 · 德尔塔-4运载火箭 是 德尔塔系列运载火箭 的一个型号，由 波音综合国防系统集团 （IDS）设计，由位在 阿拉巴马州 迪凯特 的联合发射同盟（United Launch Alliance）所建造 [ 2 ]。 在最后一次位于联合发射同盟的会议上，德尔塔-4运载火箭也参与 美国空军 的 改进型一次性运载火箭计划 (Evolved Expendable Launch Vehicle,EELV)，整个计划的宗旨在于商业化的运载火箭，并降低发射成本和提高运送到轨道的重量。
News Archive - United Launch Alliance
2024年4月9日 · Cape Canaveral Space Force Station, Fla., (April 9, 2024) – The Delta program, spanning 60 years, came to a close with the launch of the final Delta IV Heavy rocket by United Launch Alliance (ULA) on April 9 at 12:53 p.m. EDT from Space Launch Complex-37 at Cape Canaveral Space Force Station, Florida. The rocket, carrying the NROL-70 mission ...
ULA Delta IV Heavy set to fly from Cape Canaveral for the final time
2024年3月24日 · ULA is replacing the retiring rocket with the next-generation Vulcan, which logged a successful maiden flight in January from the Cape. Crews can configure the flexible, less-expensive Vulcan with...
Delta IV Heavy Launch: An Updated Finale for a Rocket That …
2024年3月28日 · The Delta IV Heavy, a rocket that briefly bursts into flame just before it lifts off, is set to launch for the last time soon.
The Delta IV Heavy is the world’s most capable rocket delivering our nation’s most critical national security and science missions for the National Reconnaissance O˜ice,