Currently a subordinate unit in the 3rd Expeditionary Sustainment Command and based at Fort Liberty (formerly Fort Bragg), the 330th Transportation Battalion (MC) was originally constituted and activated in October 1942 in New Guinea as the 2102nd Quartermaster Truck Company. After taking part in three World War II campaigns in the Pacific Theater, it was inactivated in 1946 and subsequently converted and redesignated as the 2102nd Transportation Corps Truck Company. From 1948 to 1966 it was allotted to the Reserve, during which time it was redesignated the 330th Transportation Group. It was allotted to the Regular Army in 1966 when it was redesignated the 330th Transportation Center, a title it held for over thirty years until a 1999 reorganization and redesignation as the 300th Transportation Battalion. At some point in the early to mid-2000s it was classified as Movement Control Battalion, but Army nomenclature on the unit’s precise designation is confusing: It is simultaneously referred to as the 300th Transportation Battalion (Movement Control) and the 300th Movement Control Battalion (MCB).
According to a 2014 article on the official U.S. Army Website titled “The movement control battalion in theater” by Lt. Col. Joseph D. Blanding, the role of the MCB is to provide “sustainers and warfighters with in-transit visibility (ITV) of cargo, equipment, and personnel along lines of communication into and out of the theater of operations.”
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Also known as a unit crest or DUI, the Distinctive Unit Insignia is worn by all Soldiers (except General Officers) in units that have been authorized to be issued the device. It is worn centered on the shoulder loops of the Army Green Service Uniform (AGSU) and the blue Army Service Uniform (ASU, Enlisted only) with the base of the insignia toward the outside shoulder seam. DUIs are not worn on the Dress variations of either uniform, however.
The 330th Movement Control Battalion Distinctive Unit Insignia was first approved while the unit was designated the 330th Transportation Center. Brick red and gold are colors of the Transportation Corps, while the five points of the sun represent the three campaign credits, a Meritorious Unit Commendation, and a Philippine Presidential Unit Citation earned during World War II. The unit motto, “Heart of the Dragon,” is a reference to the unit’s actions in Panama as part of the Armed Forces Expedition there in the 1980s, as well as to its service during the Southwest Asia campaign to liberate Kuwait.
Full guidance on wear of the DUI is found in DA Pamphlet 670-1,
Section 21-22, "Distinctive unit insignia" and 21–3(d) and (e),
"Beret" and
"Garrison Cap," respectively.