to communicate with other equipment. NATO militaries claim to have achieved interoperability because of decades of joint planning, training and exercises during the Cold War. See also Joint warfare References Sources Combined Operations Command dedication site http://www.combinedops.com/index.htm Williams, Darryl A. Maj., Facilitating Joint Operations: The Evolving Battlefield Coordination Element., School of Advanced Military Studies Monographs, Command and General Staff College (CGSC), Fort Leavenworth, KS : US Army Command and General Staff College, 1996 Further reading Symonds, Craig L., ed. Union Combined Operations in the Civil War (Fordham University Press, 2010) 240 pages. Scholarly studies of the thrusts up the York and James rivers during the Peninsular campaign. External sources Joint Operations (RN, Army, RAF, NATO) NATO Joint Warfare Centre, Stavanger, Norway Military doctrines