Timothy J. Kovar, Sr., Tim’s grandfather, seen here holding Tim’s father (also Tim), and with his other three sons. Bob, who was killed in 1948 while serving as a test pilot, is on the right.

Timothy J. Kovar, Sr., Tim’s grandfather, seen here holding Tim’s father (also Tim), and with his other three sons. Bob, who was killed in 1948 while serving as a test pilot, is on the right.

Timothy J. Kovar, Sr., Tim’s grandfather, seen here holding Tim’s father (also Tim), and with his other three sons. Bob, who was killed in 1948 while serving as a test pilot, is on the right.