North American Aviation X-15A-2 56-6671 ost landing cool down, 3 October 1967 Published on October 2, 2013 in 3 October 1967Full resolution (1600 × 1267) ← Previous Next → Firefighters cool down the ventral fin of the North American Aviation X-15A-2 56-6671 after its last landing on Rogers Dry Lake, 3 October 1967.(U.S. Air Force)