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NASASpaceflight, often referred to as NSF, is a private aerospace news organization, which operates a YouTube channel, website, and forum, which launched in 2005, as well as various social media channels covering crewed and uncrewed spaceflight and aerospace engineering news.
In Hermann–Mauguin notation, space groups are named by a symbol combining the point group identifier with the uppercase letters describing the lattice type. Translations within the lattice in the form of screw axes and glide planes are also noted, giving a complete crystallographic space group. These are the Bravais lattices in three dimensions:
The 21st Space Operations Squadron was activated on 1 October 1991, and within one year, absorbed the roles of the 2nd Satellite Tracking Group and the 1999th Communications Squadron. After the 1995 Base Realignment and Closure committee directed realignment of Onizuka AFS, 21 SOPS absorbed the roles of the 750th Space Group and all subordinate ...
Final logo of Space, used from 2013 to 2019. The channel was licensed by the Canadian Radio-television and Telecommunications Commission (CRTC) in 1996. [1] It launched on October 17, 1997 at 6:00 p.m. ET (3:00 p.m. PT), as Space: The Imagination Station, launching under the ownership of CHUM Limited, airing the film Forbidden Planet, followed by a commentary on that film by author Robert J ...
Hubble Live – Launch of Space Shuttle Atlantis on NASA's Servicing Mission 4 (HST-SM4), the eleven-day fifth and final mission to repair the Hubble Space Telescope; A Life In Memory – An hour-long documentary about Memories, and PTSD and the ways they effect our lives. "Barney recalls the day he was hit by a car: his back was broken, and ...
This group of seven astronauts, also sometimes known as the "Original Seven" or the "Mercury Seven" were a part of the first human spaceflight program, called Project Mercury. [5] Since the original group, the total number of astronaut groups has grown to 22 as of 2017. [6] The Group 21 class joined 47 other active NASA astronauts.
The 21st Operations Group was reactivated under Air Force Space Command's 21st Space Wing in 1992 and provided missile warning, space surveillance, and space control forces. On 24 July 2020, it was redesignated as Space Delta 2 and transferred from the Air Force to the Space Force on 21 October 2020.
The mission of the 26th Space Aggressor Squadron is to replicate enemy threats to space-based and space-enabled systems during tests and training exercises. By using Global Positioning System and satellite communications jamming techniques, it provides Air Force, joint and coalition military personnel with an understanding of how to recognize, mitigate, counter and defeat these threats.