A Maryland Natural Resources Police 21-foot Multi-Mission Air Boat is on display Thursday, May 23, 2013, during the Maritime Tactical Operations Group field day at Sandy Point State Park in Annapolis, Md. The air boat is one of the newest boats for MNRP and is capable of performing missions in shallow areas of the Chesapeake Bay. (U.S. Coast Guard photo by Petty Officer 2nd Class Jonathan Lindberg.)