U.S. Army Sgt. Tynell Mitchell, assigned to 44th Signal Battalion and currently attached to Headquarters Allied Rapid Reaction Corps (HQ ARRC) for Exercise ARRCADE Fusion 15, readies a SNAP terminal which provides exercising troops with communications. ARRCADE Fusion is an annual NATO ARRC-led, multinational command post exercise designed to increase interoperability between NATO member nation forces. (DoD photo by WO2 Dan Harmer, NATO, GBR Army)