... or too slow, or too much, or not enough, or ... just not to be mistaken for F-51D "Was that too fast" ... but close.
Here's 12th Fighter-Bomber Squadron, 18th Fighter-Bomber Group North American F-51D-25-NA Mustang
44-74943 after what looks to be a belly landing at probably Chinhae AB (K-10) during the first years of the Korean War.


And below
currently flying 12th Fighter-Bomber Squadron, 18th Fighter-Bomber Group North American F-51D-25-NA Mustang
44-12943.

