Joint military exercises between the United States and South Korea have begun, and all eyes are on the Korean peninsula. Although full details of the drills have not been made public, they will be largely computer-simulated and take place at facilities in South Korea, including a U.S. base in Yongsan district, Seoul. The military exercises, which formally started Aug. 21, are the first to occur since the successful North Korean intercontinental ballistic missile (ICBM) tests in July. In March, the two allies conducted two larger simultaneous drills -- Foal Eagle and Key Resolve. The 2017 Ulchi Freedom Guardian drills will involve around 50,000 South Korean personnel and 17,500 U.S. personnel. 3,000 of the personnel are not ordinarily stationed on the Korean peninsula. A small number of British and Australian troops will also participate....