160504-N-IT566-153 CAMP SHELBY, Miss. (May 4, 2016) Equipment Operator Constructionman Richard Ricardo, assigned to Naval Mobile Construction Battalion 11, gives hand signals to the driver of a skid steer during a airfield damage and repair (ADR) exercise. The Seabees are working with Explosive Ordnance Disposal Mobile Unit 2 to develop new tactics, techniques and procedures to improve the way they conduct ADR. (U.S. Navy Combat Camera photo by Mass Communication 1st Class David Kolmel/FOUO)