April 23, 2004: The U.S. Marine Corps is looking for a new .45 caliber (11.4mm) pistol. While the American military retired the M1911 .45 caliber in 1985, some commando units still prefer it. This is because the 11.4mm (.45 caliber) bullet weighs twice as much as the 9mm one that replaced it and still has an edge in "stopping" someone hit with it. But the 9mm M9 pistol magazine carries 15 rounds, versus seven in the M1911. The commandos (Special Forces, SEALs, Marine Force Recon) counter that their operations are the type where every round counts, and the fewer you...