US Navy to test algae-powered “Bullet”airship for border patrol, port screening duties
October, 3 2008
In Alabama, the US Navy tested its new 125 foot Bullet airship that will operate on algae fuel supplied by Alabama’s Unified Fuels. The surveillance airship, which will operate at a 15000 foot altitude and fly a 1,000 pound payload for up to 48 hours, will be used for border patrol, firefighting, port screening as well as other defense purposes.
Original Article: http://www.biofuelsdigest.com