Recent promotions at Grissom Air Reserve Base Published Aug. 2, 2006 GRISSOM AIR RESERVE BASE, Ind -- Listed below are recent promotions at Grissom Air Reserve Base:To senior master sergeant--Jeffrey A. Withrow, 434th Air Refueling Wing; James Eliason, Aircraft Maintenance SquadronTo master sergeant-- Michael Walker, 434th Security Forces Squadron; Timmie Hoskin, 434th Maintenance Squadron; Christopher E. Zorn, 434th AMXSTo technical sergeant--Louis Chaison, 434th Services Squadron; James Hoagland, 434th ARW; Steven Leach, 434th ARW; Dustin Schimp, 434th SFSTo staff sergeant-- Vickie Jean Cummings, 72nd Air Refueling Squadron; Nathaniel Dillahunty, 434th MXA; Shawn Emmerling, 434th SFS; Benjamin Friedle, 49th Aerial Port Flight; Nathaniel Greathouse, 434th MXS; Charlene Howard, 434th Communications Squadron; Aaron Nawracaj, 434th MXA; Michael Rosa, 434th SFS; Cynthia Stepp, 434th Operations Support Squadron; Ryan Wolf, 434th Civil Engineering Squadron