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GPS IIR-18(M) Satellite Set Healthy

Global Positioning System (GPS) Block IIR, supported by the 2nd and 19th Space Operations squadrons at Schriever Air Force Base, Colo. Image courtesy of Lockheed-Martin for Department of Defense and media publications; use for commercial purposes is prohibited.

GPS Block IIR,

Los Angeles Air Force Base -- GPS IIR-18(M), the fifth modernized GPS IIR satellite built by Lockheed Martin and launched aboard a United Launch Alliance Delta II rocket, was set healthy to navigation and timing users worldwide, Jan 2. The satellite joins four operational modernized IIR and 12 IIR satellites currently on-orbit within the GPS constellation providing global coverage and increased overall performance of GPS services to users worldwide. GPS continues to meet the needs of both military and civilian users and provide real-time position, navigation and timing services supporting warfighting operations and commercial applications worldwide. 

The next GPS IIR-M launch is anticipated for March 2008 from Cape Canaveral Air Force Station, Fla.