Complex sentence: Keys was born on December 18,1943, at Lubbock Army Airfield in Hurlwood (near Slaton, Texas), where his father, Bill Keys, was in the U.S. Army Air Corps.
Split into simpler sentences: Keys was born on December 18,1943,. He started touring at age fifteen withat Lubbock Army Airfield in Hurlwood (near Slaton, Texas), where his father, Bill Keys, was in the U.S. Army Air Corps.