美軍也大量依靠GPS運作，才能顯現威力，老共也知道，所以2007-2010年兩度試射SC-19反衛星飛彈，也都獲得成功，擊毀了太空中的衛星或靶彈。

2007年是打爛高度距離地表800多公里的衛星：

The 2007 Chinese anti-satellite missile test was conducted by China on January 11, 2007. A Chinese weather satellite—the FY-1C polar orbit satellite of the Fengyun series, at an altitude of 865 kilometres (537 mi), with a mass of 750 kg—was destroyed by a kinetic kill vehicle traveling with a speed of 8 km/s in the opposite direction. It was launched with a multistage solid-fuel missile from Xichang Satellite Launch Center or nearby.

2010這次是維基解密說的，SC-19打爛了距地表250公里的靶彈，資料有問題請去找它們吧！

The U.S. Intelligence Community assesses that on 11 January 2010, China launched an SC-19 missile from the Korla Missile Test Complex and successfully intercepted a near-simultaneously launched CSS-X-11 medium-range ballistic missile launched from the Shuangchengzi Space and Missile Center. The CSS-X-11 was launched from Shuangchengzi at 1150:00Z; the SC-19 was launched from Korla at 1152:42Z. U.S. missile warning satellites detected each missile's powered flight as well as the intercept, which occurred at 1157:31Z at an altitude of approximately 250 kilometers. No debris from this test remains on-orbit.

An SC-19 was used previously as the payload booster for the January 11, 2007, direct-ascent anti-satellite (DA-ASAT) intercept of the Chinese FY-1C weather satellite. Previous SC-19 DA-ASAT flight-tests were conducted in 2005 and 2006. This test is assessed to have furthered both Chinese ASAT and ballistic missile defense (BMD) technologies.

所以，有一派的開戰想定就是，中美大戰會從「衛星催毀/重新發射」的效率決定勝負。