"NAVAIR has done some preliminary work on a conceptual family of hybrid aircraft called HULAs, or Hybrid Ultra-Large Aircraft. Envisioned for several military missions, especially long-range heavy lift, the HULAs would be lighter-than-air vehicles with a payload of several hundred tons. NAVAIR is discussing the concept's feasibility with the Pentagon's Defense Advanced Research Projects Agency"
Do you know where that site is?
Whole lot of tracks for an arctic looking wasteland. What else is going on there?