http://news.usni.org/2015/01/13/navy-selects-bell-boeing-osprey-next-carrier-delivery-aircraft Navy and Marines Sign MOU for Bell-Boeing Osprey to be Next Carrier Delivery Aircraft] – News.USNI.org, 13 January 2015 It incorporates an extended-range fuel system for an 1150 nautical miles unrefueled range, a high-frequency radio for over-the-horizon communications, and a public address system to communicate with passengers; "NAVAIR Details Changes in Navy V-22 Osprey Variant."