North American X-15. Aurora Plastic Scale Models trading card illustration detail - 1960.
seen from T1

seen from France
seen from United States
seen from China
seen from United Kingdom
seen from Germany
seen from T1
seen from China
seen from China

seen from T1
seen from Singapore
seen from Italy
seen from United Kingdom

seen from United States
seen from China
seen from Italy
seen from Yemen

seen from Türkiye
seen from Japan
seen from United States
North American X-15. Aurora Plastic Scale Models trading card illustration detail - 1960.
America’s supersonic rocket plane: the Bell X-1.
Restricted. Langley Field - 1947.
Restricted. Langley Field - 1947.
Without the X-1, there'd have been no X-15 and I'd be sad. The X-15 is nearly the ultimate in impractical, solely proof-of-concept vehicles in an entire grouping of aircraft that were of only questionable utility (other than as developmental phases), known as rocket planes.