Do these two sentences from wikipedia have the same meaning?
Dr. Irwin , a U.S. Air Force orthopedic surgeon , was instrumental in preventing the amputation of John Forrest 's leg .
Dr. Irwin , an orthopedic surgeon of the U.S. Air Force , was instrumental in preventing the amputation of John Forrest 's leg .

[1]. no
[2]. yes
The answer is:
[2].