Sea Power – To address challanges faced by Marines in Afghanistan in 2001, the Marine Corps Warfighting Laboratory developed a new portable, over-the-horizon communications system that is being tested by Marine units in Iraq to assess its link between command centers, fire-support commanders and tactical units ashore during operations. The Expeditionary Tactical Communications System (ETCS) is a voice and data link between tactical units ó down to the company, platoon or squad level ó and their combat commanders. It is envisioned as a solution for rapidly advancing units that outstretch their ability to communicate with commanders.

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