22 medical officers chosen for promotion Published Nov. 23, 2010 By 81st Medical Group KEESLER AIR FORCE BASE, Miss. -- Twenty-two Keesler medical officers have been selected for promotion. To major: 81st Diagnostics and Therapeutics Squadron -- Capts. Nicholas Lancia and Erin Weeden. 81st Medical Group -- Capts. Chad Edwards and Andrew Matthies. 81st Medical Operations Squadron -- Capts. Peter Blatz, Charles Borders III, Kieron Dillingham, Steven Doshi, Lauren Herrmann, Minh Ho and Patrick Jewell. 81st Surgical Operations Squadron -- Capts. Brian Bane, Brent Brimhall, Scott Eisenhuth, Tonya Bernell Henderson, Adam Nicholson and Sean Selig. To lieutenant colonel: 81st MSGS -- Majs. Michael Hogan and Yekaterina Karpitskaya. 81st MDOS -- Majs. Colleen Kersgard and Jon Marti. To colonel: 81st Medical Support Squadron -- Lt. Col. Michael Dietz.