Division. In February 2005 the 278th became part of Task Force Liberty commanded by the 42nd Infantry Division. The 1/278th and the 386th Engineer Battalion were located at FOB Caldwell along with the regimental HQ. The regiment operated along the Iranian border in the Diyala Province and in the center of an ethnic triangle formed by Arabs, Kurds and Turkomen in the Salah Ah Din Province. Each squadron was assigned to a FOB (forward operating base) and detachments sent to other locations, with some performing convoy escort missions from Kuwait to Mosul. The 101st Airborne Division (AASLT) replaced the 278th RCT upon the 278th's redeployment to the United States. FOB assignments: FOB Caldwell (Balad Ruz- Kirkush Military Training Base): RHHT, Regimental Reconnaissance Troop (RRT), SPT/278th ACR,1/278th ACR and attachments. FOB Cobra (Jalula, Iraq): I Troop, L Troop, K Troop 3/278th ACR, B Co 1/128 Infantry and soldiers from the 386th Engineer Battalion. FOB Bernstein (Tuz Khurmatu, Iraq): 2/278th ACR and attachments. During their deployment to FOB Bernstein and AO Peacemaker in 2004–05 members of the medical platoon, 2/278th ACR were awarded six Army Commendation Medals with Device for Valor, one Bronze Star with Device for Valor and two Purple Hearts for actions they were involved in. FOB McKenzie (Samara East Airbase):3rd Platoon, Lightning Troop 3/278th. Attachments from Pasadena, TX and Wisconsin infantry. FOB O'Ryan (Near Ad Dujayl, Iraq): Troop K 3/278th ACR (attached to 1–128 Infantry Battalion, 32nd Infantry Brigade, Wisconsin ARNG) which was assigned to the 1st Brigade (Raiders), 3rd Infantry Division. International Zone (Baghdad Iraq): Troop F 2/278th RCT. Attached to 1st Cavalry (3–8 Cavalry) and later under 3rd Infantry Division (4–64 Tuskers) Under the name Task-force Baghdad. The FOBs included: Black hawk, Prosperity, Union (Trojan Horse). This troop was responsible for security mission that included a mission with the CIA to guard the interim prime minister's house. Other missions included patrolling, providing listening and observation posts (LP/OPs) during elections and for force protection of the International Zone. This unit conducted checkpoints, convoy operations and provided security for the Naval Special Warfare EOD teams as well as Australian bomb squads. Eight 278th ACR soldiers were killed in action in Iraq in 2005. Two more died of accidents or natural causes. Operation Iraqi Freedom 9-11 The 278th deployed again to Iraq in 2010 in support of Operation Iraqi Freedom 9-11. The 278th mobilized out of JFTC Shelby (Camp Shelby)