 At the height of this struggle, the U.S. Army had even reorganized its combat divisions to fight land wars on irradiated nuclear battlefields, developing short-range atomic cannon and mortars in order to win appropriations.The United States Navy in turn proposed delivering strategic nuclear weapons from supercarriers intended to sail into range of the Soviet air defense forces.Of all these various schemes, only LeMay's command structure of SAC survived complete reorganization in the changing reality of Cold War-era conflicts.