Book excerpt: Five thousand miles from the U.S., the president of the United States is facing death. In one hour, an American force will strike back—with the most daring rescue mission ever! The RDF—Marine Corps Rapid Deployment Force—can strike anywhere in the world in under an hour. Their secret weapon: the Trans-Atmospheric Vehicle flown at 15,000 miles per hour by the Air Force’s most elite pilots, carrying a deadly cargo of highly trained marines. The technology is unproven. But its time has come.…