44-73287) currently based at the Air Combat Museum at Abraham Lincoln Capital Airport in Springfield, Illinois.
The aircraft was built in 1944 and delivered to the United States Army Air Force (USAAF) in the following year to serve in World War II.
At the time, the P-51D was a major component of the USAAF fleet and Worry Bird escorted Allied bombers on long-range air raids in Germany.
It passed through multiple private owners over the following decades; in the early 1990s, Mike George restored the aircraft and moved it to its current base.
[1] Out of over 8,000 P-51 Mustangs which served the U.S. in World War II, Worry Bird was one of 166 surviving and 104 that could still be flown as of its listing.