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Amphibious Assault Direction System (AN/KSQ-1)

Primary Purpose Provides CATF/CLF capability to launch, monitor,

and control a surface amphibious assault and

ground maneuver units from ranges up to 100

nautical miles.

Sub-Functions Digital Data Communications System.

Equipment Requirements Uses EPLRS/PLRS system integrated with GPS and

GPS Interface Unit (GPSIU). Any platform with

GPS/GPSIU connected to PLRS BUU makes a dynamic

reference point; the AN/KSQ-1 displays on a

GCCS-M like map background the PLI database

generated by the EPLRS/PLRS master or net control


Connectivity Requirements Requires EPLRS or PLRS.

Crypto Requirements PLRS crypto KG-58/EPLRS KOK-13.

Normal Locations Amphibious ships (ARG, LCACs and LCUs).

EPLRS/PLRS man pack and surface vehicle units

ashore (with or without GPSIU) and for AAVs.

Information Managed Provides visual display and a map background to

display position and location of LCAC and LCUs as

well as other units with EPLRS/PLRS capability.

Products Created None.

Lead Service/Contractor EPLRS/PLRS: USA and Raytheon; GPSIU: USA and

SECHAN; AN/KSQ-1: USN in combination with

GOTS/COTS, EPLRS Downsize Net Control Station:

USN in combination with GOTS/COTS

Current Fielding Status Currently fielded in six Amphibious Ready Groups

with Milestone III approval.

Known Problems Ships without organic PLRS Master Stations have

experienced some interface problems. This

continues to be reduced with better GOTS/COTS


DIICOE Compliance Rating Level 5.

Point of Contact Program Manager (PMS377) Capt. Wilkins JR,

(703) 602-8511/ email:

Updated by Capt Earl W. Daniels, USMC, CCSC-01.


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