USA-193 - Wikipedia
网页USA-193, also known as NRO Launch 21 (NROL-21 or simply L-21), was a United States military reconnaissance satellite (radar imaging) launched on 14 December 2006. [2] It was the first launch conducted by the United Launch Alliance (ULA). [3] Owned by the National Reconnaissance Office (NRO), the craft's precise function and purpose were classified.
USA-193号卫星 - 维基百科，自由的百科全书
网页USA 193号卫星 （也称 NROL-21 或简称 L-21，指 美国国家侦察办公室 第21次发射）是于2006年12月14日 21:00:00（GMT时间）由 三角洲二號運載火箭 （Delta II）从美国 范登堡空军基地 （Vandenberg Air Force Base）发射升空的一颗 间谍卫星。. 重量为2300千克。. 设计轨道为远地点 ...
Operation Burnt Frost - Wikipedia
网页Operation Burnt Frost was a military operation to intercept and destroy non-functioning U.S. National Reconnaissance Office (NRO) satellite USA-193. [1] The mission was described by the Missile Defense Agency as a "mission of safeguarding human life against the uncontrolled re-entry of a 5,000-pound satellite containing over 1,000 pounds of ...
U.S. Satellite Shootdown: The Inside Story - IEEE Spectrum
网页2008年8月1日 · How the U.S. decided to use a missile to destroy a derelict spy satellite that posed a hazardous reentry risk. The article explains the technical and political factors behind the operation and the media criticism it faced.
The Space Review: Burning Frost, the view from the ground: shooting ...
网页USA-193 was a National Reconnaissance Office (NRO) satellite launched into low Earth orbit by a Delta II rocket on December 14, 2006. It was a top-secret satellite, apparently of a new or experimental design based upon its unique launch vehicle (rarely used by the NRO) and orbital inclination.
USA-193间谍卫星 - 百度百科
网页usa 193卫星是于2006年12月14日 21:00:00（gmt时间）由德尔它-2运载火箭从美国范登堡空军基地发射升空的一颗间谍卫星。 重量为2300千克。 设计轨道为远地点365公里，近地点349公里。
USA-193 - WikiMili, The Best Wikipedia Reader
网页2024年8月4日 · USA-193, also known as NRO Launch 21 (NROL-21 or simply L-21), was a United States military reconnaissance satellite (radar imaging) launched on 14 December 2006. It was the first launch conducted by the United Launch Alliance (ULA). Owned by the National Reconnaissance Office (NRO), the craft's pre.
网页The Pentagon has announced that it will use its Standard Missile III (SM-3, see Figure 3) to shoot down the satellite when its orbit has decayed to an altitude of 130 miles (roughly 240 km, at which point it would have between one and six …
U.S. successfully destroys satellite | Astronomy.com
网页2008年2月21日 · A network of land-, air-, sea- and spaced-based sensors confirms that the U.S. military intercepted a non-functioning National Reconnaissance Office satellite which was in its final orbits before...
USA-193 Intercept May Provide Precedent for Phobos-Grunt
网页With concerns growing that the Russian Phobos-Grunt probe may reenter Earth’s atmosphere with a fully loaded Hydrazine tank, the precedent of the USA-193 may become of interest once more. The video belows a simulation of the debris resulting from the interception of the USA-193.