Capt. Anthony C. Spinelli assumed command of the 911th Technical Rescue Engineer Company (TREC) from Capt. Brittany M. Clark during a change of command ceremony hosted by Lt. Col. Edward Meyers, commander, 12th Aviation Battalion, at Fort Belvoir, Virginia, May 15.The 911th TREC, stationed at Fort Belvoir, Virginia, is assigned to the 12th Aviation Battalion, The Army Aviation Brigade, The U.S. Army Military District of Washington. It is best known for its response at the Pentagon following the terrorist attack on Sept. 11, 2001."I'm so proud of the 911th TREC, and what we have accomplished in two years," said Clark. "There has been a tremendous amount of thought, effort and follow through, and I'm incredibly proud of all that we've accomplished together."Clark assumed command of the 911th TREC May 2015 and has previously served in Afghanistan, Germany and stateside. Clark was selected as a 2016 Department of the Army General Douglas MacArthur Leadership Award recipient. Her decorations include the Bronze Star, Army Commendation Medal and Combat Action Badge."The 911th is the pride of the Engineer Regiment," said Spinelli. "I look forward to the journey ahead in expanding on the already outstanding reputation created by the Soldiers that stand before you."Spinelli holds a Bachelor of Science degree in mechanical engineering from Colorado State University, and a Master of Science in engineering management from Missouri University of Science and Technology. His most recent deployment was in September 2012 to Afghanistan in support of Operation Enduring Freedom. His awards and decorations include the Bronze Star, Joint Service Commendation Medal and Army Commendation Medal.The 911th TREC is comprised of combat engineers, firefighters, horizontal and vertical construction engineers and various support military occupational specialties that train and certify as rescue technicians and mine rescuers. The unit also provides general engineering support to Fort Belvoir and the U.S. Army Military District of Washington.The U.S. Army Military District of Washington serves as the Army Forces Component and core staff element of Joint Force Headquarters National Capital Region which conducts operations that deter, prevent and respond to threats aimed at the National Capital Region; and conducts world-class ceremonial musical and special events in support of our Nation's leadership.