Simplify the following text for a Grade 8 native English-speaking person.
Original: Charles Elwood `` Chuck '' Yeager ( ; born February 13 , 1923 ) is a retired major general in the United States Air Force and noted test pilot .
Simplified: Charles Elwood `` Chuck '' Yeager ( born February 13 , 1923 ) is a former major general of the United States Air Force .