Sgt. Juan Flores, an engineer equipment operator from

Sgt. Juan Flores, an engineer equipment operator from Houston, left, and Lance Cpl. Aaron Tremain, a heavy equipment mechanic from Collinsville, Okla., assigned to Marine Wing Support Squadron 374, from Marine Corps Air Ground Combat Center at Twentynine Palms, Calif., set up a nozzle and other equipment during field exercise to maintain remote landing zones for continued safe use. Marines from MWSS 374 sprayed the surface with a dust-control compound in advance of the arrival of Col. Patrick Gramuglia, commanding officer of Marine Aircraft Group 16 from Marine Corps Air Station Miramar, aboard MV-22B Osprey tilt-rotor aircraft, to evaluate effectiveness of the product. (U.S. Navy photo by Greg Vojtko/Released)