1、 UNCLASSIFIED CHAIRMAN OF THE JOINT CHIEFS OF STAFF INSTRUCTION UNCLASSIFIED J-3 CJCSI 3900.01E DISTRIBUTION:A,B,C 10 February 2023 POSITION(POINT AND AREA)REFERENCE PROCEDURES References:a.DoDD 5105.60,29 July 2009,“National Geospatial-Intelligence Agency(NGA)”b.NGA STND.0036,Department of Defense
2、World Geodetic System 1984 c.JP 2-03,26 May 2022,“Geospatial Intelligence for Joint Operations”1.Purpose.This instruction establishes policy in the use of verbal or written and the storage and/or display of position reference procedures for unilateral and joint operations of the U.S.Armed Forces and
3、 for multinational operations with the military forces of allied nations.2.Superseded/Cancellation.CJCSI 3900.01D,14 May 2015,“Position(Point and Area)Reference,”is hereby superseded.3.Applicability.This instruction applies to the Combatant Commands(CCMDs),Services,Defense agencies,and Joint Staff.4
4、.Policy a.World Geodetic System 1984(WGS 84),which incorporates an ellipsoidal Earth model,is the official Department of Defense(DoD)positional coordinate reference system.In unilateral and joint operations,the U.S.military will use the WGS 84 geodetic three-dimensional(3-D)coordinate reference syst
