A U.S. Army Multi Domain Task Force operates from the Tactical Command Post as a part of their premier appearance at Valiant Shield 2018 Sept. 20, 2018. (U.S. Navy photo by Mass Communication Specialist 1st Class Danica M. Sirmans) Next phase of Army EW planning tool to focus on GPS denied environments The next phase for the Electronic Warfare Planning and Management Tool will focus on positioning, navigation and timing. Aug 18, 2022 By Mark Pomerleau