无人机系统路线图 Unmanned Aircraft Systems Roadmap(109)

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“Secure Chat” via Secret Internet Protocol Router Network (SIPRNET) was established between the Global Hawk pilot/sensor operator, the Global Hawk liaison officer at the CAOC, and the Intelligence Mission Operations Commander at the exploitation center.  This provided situational awareness and enabled command of the mission in response to ongoing operations and other emerging requirements.  
Predator
The Predator system consists of the aircraft, a Ground Control Station (GCS), and a Launch and Recovery Element (LRE).  The GCS consists of flight control equipment, sensor control equipment, LOS data link, VHF/UHF radio and Ku SATCOM data link.  The LRE contains a subset of the GCS equipment, the minimum required for launch and recovery.  Predator pilots manipulate aircraft flight controls in real time using the LOS data link to accomplish takeoffs and landings.  Once airborne, the pilot couples the autopilot to the navigation system, and the aircraft navigates to selected waypoints.  The Predator LRE has no BLOS communications, so it must maintain LOS until it transfers control to the GCS.  The pilot in the GCS controls the Predator remotely via Ku-band SATCOM and receives the sensor products via the same link.
APPENDIX C - COMMUNICATIONS
Page C-2

FIGURE C-1. GLOBAL HAWK COMMUNICATIONS ARCHITECTURE.
The Predator provided nearly continuous 24-hour coverage of key target locations in support of Joint Forces Commander (JFC) objectives in both the OEF and OIF.  Missions included ISR, Special Operations Forces (SOF) Direct Support, Close Air Support (CAS), urban CAS, Kinetic Intercept (KI), Combat Search and Rescue (CSAR), and Strike Control and Reconnaissance (SCAR).
During OEF, the Predator system prosecuted the Global War on Terrorism from a fully operational deployed GCS.  Remote split operations (RSO) (geographically separated GCS control of the Predator) enhanced Predator capability in the OEF area of responsibility (AOR) and enabled the launch of an additional aircraft to support simultaneous or high priority operations.  A key element of RSO was the intensive use of secure internet “chat.” Chat was initially established between two geographically separated GCSs to improve secure communication connectivity.  Chat rooms were subsequently established as a means of communications between the tasking authority, command and control units and flight crew.
OIF also saw extensive use of Predator remote split operations where flights launched by the forward deployed LRE were then handed over to Nellis AFB operators.  The Predator LRE operated from two forward operating locations, and demonstrated flexible flying operations that included an aircraft “divert” and aircraft intra-theater deployment capability using the two LREs.  The Predator system demonstrated “surge” operations by simultaneously controlling four airborne Predators for seven days before weather forced the first cancellation.  Most importantly, the Predator successfully operated across the entire spectrum of the find, fix, track, target, engage, and assess (F2T2EA) kill chain.
　
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