Pfc. Gregory M. Tessmer, a bulk fuel specialist with Marine Wing Support Squadron 373, feeds a hose to Lance Cpl. Travis Potter and Lance Cpl. Michael Magaris, also bulk fuel specialists with MWSS-373, to add fuel to a 600-gallon reserve tank Aug. 25. The tanks are used to supply fuel to aircraft and ground vehicles. - Pfc. Gregory M. Tessmer, a bulk fuel specialist with Marine Wing Support Squadron 373, feeds a hose to Lance Cpl. Travis Potter and Lance Cpl. Michael Magaris, also bulk fuel specialists with MWSS-373, to add fuel to a 600-gallon reserve tank Aug. 25. The tanks are used to supply fuel to aircraft and ground vehicles.