Col. Michael Welsh, Air Force Legal Operations Agency vice commander, speaks to Under Secretary of the Air Force Erin Conaton and Col. Ken Rizer, 11th Wing/Joint Base Andrews commander, at the completion of a tour of the new William A. Jones III Building, following an Earth Day and Arbor Day tree planting ceremony at Joint Base Andrews, Md., April 20, 2011. (U.S. Air Force photo/ Senior Airman Melissa V. Brownstein)