 In September 2005, the battalion deployed several platoons and a company headquarters in support of the Hurricane Katrina relief effort in Mississippi and Louisiana.Thirty-two 1-175 Infantry soldiers served in a composite company, formed from 1-175 Infantry, from August to September 2006 on a section of the U.S. / Mexico Border in an effort to halt illegal immigration and smuggling.Others from the battalion guarded the prisoners of the Global War on Terrorism at the Naval Base at Guantanamo Bay, Cuba from 2006 to 2007.