Upgrades aim to extend B-52 bombers' already long lives

For Air Force Capt. Daniel "Swoop" Welch, flying a B-52 bomber has become the family business. His father, retired Lt. Col. Don Welch, was trained to drop nuclear bombs with the aircraft during the height of the Cold War. His grandfather, retired Col. Don Sprague, flew B-52 combat missions in Vietnam.

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