Maj. Ash Groves, air operations officer for the Kentucky Air National Guard's 123rd Contingency Response Group, monitors air traffic March 28, 2012, at Lakehurst Naval Air Engineering Station, N.J., while sitting in a hard-sided expandable lightweight air-mobile shelter. The HELAMS served as a joint operations center for Army and Air Force personnel running a Joint Task Force-Port Opening as part of Eagle Flag, an exercise designed to test the ability of U.S. forces to operate in a deployed environment.