The US Air Force (USAF) has completed another sustainment software release for the GPS operational control segment ground system.

USAF Space Command completed the release as part of its efforts to improve and maintain the current GPS ground system by developing and delivering control systems to enable command and control of new signals and capabilities.

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Col Harold Martin, the acting positioning, navigation and timing command lead of the Air Force Space Command Directorate of Air, Space and Cyberspace Operations said that AEP 5.6 was a small software update, bringing specific changes to support the upcoming IIF-2 launch.

“This release does not contain fixes involving any changes to the navigation message, and therefore should be transparent to the end user,” he added.

The USAF GPS constellation has 31 operational satellites providing precise positioning, navigation and timing worldwide.

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