the Black Diamonds deployed in support of Operation Enduring Freedom 13, to conduct retrograde operations and reduce the Army's footprint in Afghanistan. As the second engineer battalion to be part of the CENTCOM Materiel Retrograde Element (CMRE) mission, the 92nd Engineer Battalion completed over fifteen engineer work requests and contributed to the closure or transfer of two Tactical Infrastructures, nine Tactical Bases, and one Operational Base with focus in Regional Command's South, Southwest and West. Forward Support Company completed over twenty-eight Combat Logistic Patrols covering over 4,000 miles in RC South, served more than 25,000 meals to fellow Black Diamonds and mechanical support at six different locations. 526th Horizontal Construction Engineers, 554th Vertical Construction Engineers, and 984th Horizontal Construction Engineers deconstruction efforts directly contributed to the CMRE mission to retrograde with a focus to consolidate troops and equipment in Afghanistan. 526 Gladiators completed projects at five bases stretching across RC's South and Southwest. 554 Assassins completed projects at seven bases stretching across RC's South, Southwest and West. 984 Warriors completed projects at seven bases stretching across RC's South and Southwest. Company lineage 526th Engineer Company Campaign participation credit World War II Rhineland Central Europe Korean War UN Offensive CCF Intervention First UN Counteroffensive CCF Spring Offensive UN Summer–Fall Offensive Second Korean Winter Korea, Summer–Fall 1952 Third Korean Winter Korea, Summer 1953 984th Engineer Company Campaign participation credit Operation Enduring Freedom----- World War II Rhineland Korean War First UN Counteroffensive CCF Spring Offensive UN Summer–Fall Offensive Second Korean Winter Korea, Summer–Fall 1952 Third Korean Winter Korea, Summer 1953 Vietnam War Counteroffensive Phase VI Tet 69/Counteroffensive Summer–Fall 1969 Winter–Spring 1970 Sanctuary Counteroffensive Counteroffensive Phase VII Consolidation I Consolidation II 554th Engineer Company Campaign participation credit World War II Northern France Rhineland Ardennes-Alsace Central Europe Vietnam War Counteroffensive, Phase II Counteroffensive, Phase III 530th Engineer Company Campaign participation credit World War II Sicily Naples–Foggia Rome–Arno North Apennines Detachments 36th Engineer Detachment THE CAN DO CREW Campaign participation credit Korean War Third Korean Winter Korea, Summer 1953 Vietnam War Defense Counteroffensive Counteroffensive Phase II Counteroffensive Phase III Tet 69/Counteroffensive Counteroffensive Phase IV Counteroffensive Phase V Counteroffensive Phase VI 514th Firefighter Detachment Campaign participation credit World War II Normandy Northern France Vietnam War Counteroffensive Phase II Counteroffensive Phase III Tet Counteroffensive Counteroffensive Phase IV Counteroffensive Phase V Counteroffensive Phase VI Tet 69/Counteroffensive Summer–Fall 1969 Winter–Spring 1970 Sanctuary Counteroffensive Counteroffensive Phase VII See also Military engineering