US Air force unveils STRANGE LOOKING Hybrid Aircraft calls it the P 791 videos The us air force has unveiled a strange looking airship aircraft. The Lockheed Martin P-791 is an experimental aerostaticaerodynamic hybrid airship, developed .\rbr\rbrThe us air force has unveiled a strange looking airship aircraft. The Lockheed Martin P-791 is an experimental aerostaticaerodynamic hybrid airship, developed .\rbr\rbrThe us air force has unveiled a strange looking airship aircraft. The Lockheed Martin P-791 is an experimental aerostaticaerodynamic hybrid airship, developed .\rbr\rbrThe us air force has unveiled a strange looking airship aircraft. The Lockheed Martin P-791 is an experimental aerostaticaerodynamic hybrid airship, developed .