PEO(U&W) command change

As Assistant Secretary of the Navy for Research, Development and Acquisition Sean Stackley watches, Rear Adm. Mathias Winter, left, replaces Rear Adm. William Shannon as the new program executive officer for Unmanned Aviation and Strike Weapons during a change of command ceremony July 20 at Naval Air Station Patuxent River, Md. The ceremony also marked Shannon’s retirement after 37 years of naval service. (U.S. Navy Photo)