Odysseus, a solar airplane entered in a competition to build an atmospheric satellite that can stay aloft for five years at a time with little or no maintenance, is a 492-foot-wide folding aircraft that can cruise at 140 mph at 70,000 feet for five years straight, powered by the solar panels that cover the top of the plane.

AIR_UAV_Vulture_AFS_Odysseus_Concept_lg

For more details, click here.