"Under the cover of night, deep in the desert of Afghanistan, a US Army handler led a Special Forces patrol with his military working dog. Without warning an insurgent popped up, his weapon raised. At the handler's command, the dog charged their attacker. There was the flash of steel, the blur of fur, and the sound of a single shot; the handler watched his dog take a bullet. During the weeks it would take the dog to heal, the handler never left its...

"In the 1960s, locked in a heated race to launch the first human into space, the United States selected seven superstar test pilots and former military air fighters to NASA's astronaut class -- the Mercury 7. The men endured grueling training and constant media attention for the honor of becoming America's first space heroes. But a group of 13 women -- accomplished air racers, test pilots, and flight instructors -- were enduring those same astronaut...