All-Hands Session Deputy Defense Secretary Patrick M. Shanahan conducts an all-hands session with senior leaders at the Pentagon. Jan. 31, 2018. DoD photo by Air Force Tech Sgt. Vernon Young Jr. SHARE IMAGE: Download Image: Full Size (0.46 MB) Tags: Patrick M. Shanahan, DepSecDef Photo By: Air Force Tech Sgt. Vernon Young Jr. VIRIN: 180131-D-ZZ999-131.JPG Photo Gallery