Bell Shows Off Sea-Based UAS For DARPA X-Plane Bid | Aviation Week Network
As part of DARPA's Sprint program, Bell is continuing development on a design concept known as Sea-based Logistics Unmanned Rearm/Refuel Platform.
Aurora Flight Sciences Northrop Grumman Runway Independent Technologies Sea Based Logistics Unmanned Refuel Platform Piasecki Aircraft
Source: aviationweek.com