USS John Finn destroyer launches SM-6 missile at long-range target 27 Apr 2021 (Last Updated April 27th, 2021 14:45) The US Navy’s Arleigh Burke-class guided missile destroyer USS John Finn (DDG-113) has successfully launched an Extended Range Active Missile (SM-6) missile. Share Article The guided-missile destroyer USS John Finn (DDG 113) launches an Extended Range Active Missile (SM-6) UxS IBP 21. Credit: US Navy photo by Boatswain’s Mate Seaman Clark Lappert. The US Navy’s Arleigh Burke-class guided missile destroyer USS John Finn (DDG-113) has successfully launched an Extended Range Active Missile (SM-6) missile. The missile was launched off the coast of San Diego on 25 April at the conclusion of the Unmanned Systems Integrated Battle Problem (UxS IBP) 21 exercise.