Retiring Trooper Finishes Last Shift With A Tear-Filled Final Radio Call April 4, 2018 by FaithPot Categories Heartwarming Stories For 37 years, Trooper Mark Gilberg has been working with the Arizona Department of Public Safety. This is the emotional moment Trooper Gilberg finishes his final duty with a heartfelt radio call. Thank you Sir for your service. Share on Facebook Facebook Twitter Pinterest Recommend