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今年 7月 16日 ,美国在佛罗里达州的卡纳维拉尔角空军基地成功发射了一颗由洛克希德·马丁公司制造的全球定位系统 (ＧＰＳ)卫星。这是美国成功发射的第二代ＧＰＳ -ＩＩＲ型第四颗卫星。该公司还将在未来的五年里提供 16颗或更多的ＧＰＳ -ＩＩＲ型卫星。这次发射的名为ＧＰＳ
On July 16 this year, the United States successfully launched a Global Positioning System (GPS) satellite manufactured by Lockheed Martin at Cape Canaveral Air Force Base in Florida. This is the fourth satellite of the second generation of GPS-IIR type successfully launched by the United States. The company will also offer 16 or more GPS-IR type satellites over the next five years. This launch called GPS