Civil Defense USAF Pics Back to Civil Defense Museum Main		Air Launched Cruise Missiles. Warhead W-80 Yield 200Kt Carswell AFB Alert Line Fort Worth Texas 1990 Mk-28 Air Dropped Nuclear Bomb Yield 1.1 Megatons B-61 Air Dropped Nuclear Bombs. Yield 100-500 Kilotons variable. Boeing B-52H Bomber. Alliance Air Show 2008 Last Ditch Graph Dallas Area C Map Dallas Evac Map 1958 Dallas Zone Map 1958