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PEO SHIPS
AMPHIBIOUS WARFARE PROGRAM (PMS377)
Fact Sheet
AMPHIBIOUS ASSAULT DIRECTION SYSTEM (AADS) PROGRAM
Description: The Amphibious Assault Direction System (AADS), or AN/KSQ-1, integrates the Position Location Reporting System (PLRS) or Enhanced PLRS (EPLRS) systems with the NAVSTAR Global Positioning System (GPS) via a Global Positioning System Interface Unit (GPSIU) to form a jam / intercept resistant, command and control system which supports the surface assault ship-to-shore movement in amphibious operations. An airborne relay group extends the system range over the horizon to 100 nautical miles. By computing Position Location Information (PLI) for each participant in the PLRS / EPLRS net, AADS provides the capability, in near real-time, to locate, identify, track, communicate with and control all craft, vehicles and personnel in the net during operations afloat and ashore.
Configurations of AADS include the Amphibious Command Group (ACG), the Primary / Secondary Control Group (PCG / SCG), the User Terminal Group (UTG), and the Radio Relay Groups (RRG). A typical AADS force configuration includes an ACG, a PCG / SCG and up to 100 landing craft / force units deployed in an assault during which AADS continually updates and compares the PLI of surface ships, landing craft and ground units, and displays the best as a real time Common Tactical Picture (CTP) on Tactical Advanced Computer (TAC-n) Workstations to provide CATF and CLF with a tactical picture and the capability to control forces during all phases of over-the-horizon (OTH) assault operations. By changing waypoints, the Landing Force can exploit emergent gaps in the enemy’s disposition and change landing zones to more suitable, less hostile areas.
AADS is currently undergoing technology refresh using a Flexible Spiral Technology Refresh (FSTR) strategy which will migrate the current legacy AADS system to the latest EPLRS version, make system platforms more independent, and provide a JVMF message capability. This system will maintain interfaces with the shipboard Navigation Sensor System Interface (NAVSSI), Global Command and Control System – Maritime (GCCS-M) and will provide interoperability with Army, Marine Corps and Air Force EPLRS. The system will also be capable of supporting split Amphibious Ready Group (ARG) operations.
Program Status: AADS is an ACAT III program. Its Operational Requirement (OR) was approved in 1989. Milestone III Full Rate Production approval was granted in 1995. Initial Operational Capability (IOC) was achieved in 1996 and the Program migrated from PLRS to EPLRS in 1999. AADS is currently installed in 50% of the Navy’s amphibious ships and LCAC.
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Last Updated: 29-Sep-2004
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