The U.S. Navy told contractors bidding for the Unmanned Carrier Launched Airborne Surveillance and Strike (UCLASS) that their UAVs should a minimum range of 600 nautical miles and costs $150 million per orbit.
The unmanned aircraft must be able to carry out surveillance for two orbits at 600nm and one orbit at 1200nm, all without in-flight refueling.
[thumb]http://news.usni.org/2013/06/26/navy-docs-reveal-uclass-minimum-ranges-and-maximum-costs[/thumb]