BG Hamed Mohammed M A Alyafei, the Director of Administration Human Resources of the Air Defense Operations Center (ADOC) for the Qatar Emiri Air Defense Forces (QEADF) and COL Al-Khayarin, Commander of the Air Defense Operations Center (ADOC) meet with Lt. Gen. Scott Spellmon, 55th Chief of Engineers, to give him a tour of the SHIELD 5 missile defense headquarters in Qatar. The headquarters was built by the U.S. Army Corps of Engineers Transatlantic Middle East District as part of a foreign military sales case to build infrastructure for the Qataris Patriot Missile Defense systems.