(Image: Blue Star Families)When he grows up, 6-yea...  ...eentree wants to be a SEAL—a member of the special forces of the United States Navy. While he was playing w...  ...am H. McRaven, the commanding officer of the U.S. Special Operations Command. Who is quieter, Walker asked,...

Denmark is responsible for the defense of Gree...  ...the Royal Danish Navy maintains Sirius, the only special forces unit in the world that travels primarily by dogsl...