C. Dixon Osburn , Executive Director of Servicemembers Legal Defense Network , said in a press release : " Lt. Gen. Maude has played a pivotal role in developing and implementing key programs related to LGBT military personnel . In addition to working on the services ' most comprehensive ' Do n't Ask , Do n't Tell ' training programs , Maude has been an effective leader in working to protect our men and women in uniform from anti-gay harassment . " On September 11 , 2001 , Maude was working as the U.S. Army 's Deputy Chief of Staff for Personnel and was at a meeting when American Airlines Flight 77 crashed into the west side of the Pentagon . His offices had just days before been moved to the most recently renovated section of the Pentagon . He was the highest ranking military officer killed in the attacks , and the senior-most U.S. Army officer killed by foreign action since the death of Lieutenant General Simon Bolivar Buckner Jr. on June 18 , 1945 , in the Battle of Okinawa during World War II
American Airlines Flight 77
American Airlines Flight 77
Timothy Maude