Chief Hartnett takes frozen fini flight Published Jan. 21, 2011 By Tech. Sgt. Bob Sommer 934th Airlift Wing Public Affairs Minneapolis-St. Paul -- Chief Master Sgt. Mark Hartnett, 96th Airlift Squadron flight engineer, took his final C-130 flight during sub-zero weather at the 934th Airlift Wing Jan. 21. The chief will retire with 33 years of service.