The condition achieved among communications-electronics systems or items of communications-electronics equipment when information or services can be exchanged directly and satisfactorily between them and/or their users. The degree of interoperability should be defined when referring to specific cases.
--Definition (2) in Joint Chiefs of Staff, Department of Defense Dictionary of Military and Associated Terms, as amended through December 7, 1998 (Joint Publication 1-02).
Interoperability is the ability of systems to provide dynamic interactive information and data exchange among C4I nodes for planning, coordination, integration, and execution of Theater Air Missile Defense operations.
--Joint Theater Air Missile Defense Organization (JTAMDO). 1997. JTAMDO Master Plan. JTAMDO, Joint Staff, Department of Defense, Washington, D.C., Chapter 7.