11. Both battleships proved resistant to nuclear air burst but vulnerable to underwater nuclear explosions. 12. Two air bursts followed in quick succession, one on either side of the bridge. 13. Particles from air bursts are smaller than 10 25 micrometers, usually in the submicrometer range. 14. The Hiroshima and Nagasaki bombs were both air bursts . 15. It had air burst , ground burst or laydown options. 16. Thomason suffered holes and dents topside due to air burst straddles but there were no casualties. 17. The 250 kiloton thermonuclear warhead would normally be detonated in an air burst above the target. 18. The air burst had approximate coordinates of. 19. They are sometimes called detonating fireballs " ( also see List of meteor air bursts ) ". 20. The air burst occurred over the sea.
