SecAF to host tweet chat March 18 Published March 12, 2015 By Secretary of the Air Force Public Affairs WASHINGTON (AFNS) -- Secretary of the Air Force Deborah Lee James will hold her second tweet chat at 1:30 p.m. EDT, Mar. 18, addressing issues currently on the mind of Airmen. She will answer questions from Airmen, and also give an update about her recent travels and experiences. Airmen can currently submit questions on Twitter using #SecAFChat and participate by following @SecAF23.