Talk:William Bishop/@comment-2094030-20150530174501

It's stated here that he was born in 1979, and promoted to Lt. Col. In 2000. Means he's 21 years old at that time. What is this? Is it even possible to become Lt. Col. at 21? Three years of service as Major and 15-17 years of cumulative service. He entered USAF at 4 years old?!