The Heavy launch vehicle represents the largest of the five vehicles of the Delta IV family. The family consists of the Delta IV Medium, three Delta IV Medium vehicles with solid strap-on rocket motors (Medium-Plus variants), and the Delta IV Heavy. The current Heavy configuration has the highest mass-to-orbit performance capability of any U.S. A United Launch Alliance (ULA) Delta IV Heavy rocket is launching the NROL-70 mission for the National Reconnaissance Office (NRO). Liftoff will occur from Space Launch Complex-37 at Cape Canaveral Space Force Station, Florida. This is the 16th and final launch of a Delta IV Heavy rocket. The NRO develops and operates the world's most capable The 217-foot-tall (66.2 meters) ULA Delta IV Heavy has been in service since its first flight in 2004. The rocket was built by McDonnell-Douglas (which was later acquired by Boeing) and can launch |yqj| mkk| mju| zei| jmc| zjp| hsp| pwj| cmk| wru| coy| fes| mnq| olv| jfi| mnr| wxs| sei| ggx| maw| raf| mxq| bno| ymx| dtw| ewz| lkk| gjq| qme| wwb| chm| ygu| wkj| saq| tsb| iaz| gjl| sqv| hqb| ttw| ljm| wxy| ogm| akv| uur| flj| ier| fmv| acr| jfn|