A new missile was installed in a silo at Fort Greely last month, the 22nd interceptor at the Missile Defense Agency site outside Delta Junction. Ralph Scott, the spokesman for Alaska Missile Defense, said the latest installation is part of an effort to steadily add missiles at the site. The Defense Department has plans to install 26 missiles at Fort Greely, with the process to be completed by October. Fort Greely is one of two sites in the U.S. with deployed interceptor missiles, according to the Missile Defense Agency Web site, joining three missiles at Vandenberg Air Force Base in...