Jody Armentrout, a sergeant major in the Marines, told how he managed to stop a manic passenger from killing everyone onboard a flight from Japan to Houston, Texas.
There are growing fears that elements of the Royal Navy's elite commando training, which keeps standards set in the Second World War, are being made easier to let women pass.
Marines arrived at the Guantanamo Bay Naval Base in Cuba on Sunday as the new administration moves forward with plan to house illegal immigrants at the former terrorist prison.
Around active duty 1,500 active troops have been deployed to the nearly 2,000-mile southern border this week, including 500 Marines from Camp Pendleton in California.