Flying Republic F-105 Thunderchiefs, USAF pilots knock out the center span (and damage two others) of the Paul Doumer rail bridge north of Hanoi, a vital supply route and one of the most heavily defended targets in North Vietnam. The rebuilt Doumer Bridge would be attacked again on Oct. 25 and dropped again on Dec. 19.
The rate of building B-21 bombers would speed up if the fiscal 2026 defense budget passes. But it remains unclear how much capacity would be added, and whether the Air Force would simply build the bombers faster, or buy more.