My guess is it's going to take a few billion R&D dollars pumped into Lockheed and Boeing before their first Santa-less flight, but these guys may be the renewable solution the Air Force has been seeking. Not for fighters of course, but maybe for transport.
The DOD Energy Blogger is going to take a few days off to recharge, and will be back, raring to go, with a new post on the first Monday after Christmas. Happy Holidays All !!!