BEAUFORT MCAS, SC -- Air Force Reserve Technical Sergeant Robert E. Horner, an aerial spray maintenance specialist with the 910th Maintenance Squadron, adjusts the nozzle on a spray-mission equipped C-130 Hercules aircraft. The spray mission, conducted October 4-8, aims to alleviate the mosquito and biting midge problem at Parris Island Recruit Depot. Tech. Sgt. Horner plans to retire December 18, 2009 after 34 years of military service. U.S. Air Force photo/Tech. Sgt. Dennis J. Kilker Jr.