The Army is halting a popular program that allowed soldiers to extend their enlistments in short increments, a shift that will require troops to commit to longer service terms, according to internal documents and email reviewed by Military.com. Effective June 1, the Army will in most cases discontinue its service extension policy, which had permitted soldiers to prolong their enlistments by as little as one month and up to 23 months. The option has been widely used by troops weighing a