Back in a day when America was running rich on ingenuity and poor on common sense, the U.S. Forest Service decided to make a bold experiment in lighter-than-air flight. The ultimate balloondoggle ensued.
The Piasecki PA-97 Helistat was an American experimental heavy-lift aircraft, built by Piasecki
Flying drones and driving drones can now collaborate in combined ground and air cooperative missions. An optionally piloted UH-60MU Black Hawk and a self-guided all terrain vehicle create the ultimate unmanned duo, keeping the soft tissue life forms out of harm’s way.
Carnegie Mellon University and