Company C 1 - 181 Infantry Company C , 1st Battalion , 181st Infantry Regiment is a rifle company in the 181st Infantry Regiment . In the National Guard , companies often have two histories . They share the history of the regiment to which they are assigned , but also may have a unique company history and lineage . Therefore , Company C 1 - 181 IN shares the long history of the 181st Infantry Regiment ( United States ) . This site concentrates on the unique history of Company C as a militia / National Guard company in Cambridge , MA . The company traces its history to 1831 , when it was first mustered as the Cambridge Light Infantry . It later served with Union forces in the American Civil War , and as a federalized Massachusetts National Guard regiment with the U . S . Army during War with Spain , Mexican Border Campaign , World War I and World War II . Most recently Company C has served in Bosnia , at Guantanamo Bay , Cuba , New Orleans following Hurricane Katrina , Iraq and Afghanistan . History . Formation . The present Company C 1 - 181 IN was first mustered in 1831 as the Cambridge Light Infantry . The Company was formed as a " more professional " force because the other Cambridge companies were considered " mere gentlemen ' s clubs . " The Cambridge Light Infantry was soon considered the finest company in the milita service and a model for the new light companies that were formed throughout the Commonwealth . Civil War . In 1861 mobilized for the Civil War as the Cambridge City Guard with the 20th Massachusetts Volunteer Infantry ( The Harvard Regiment ) . Among the officers of the company were Major Paul J . Revere , and Lieutenant Oliver Wendell Holmes Jr . The 20th regiment lost 17 officers and 243 enlisted men killed and mortally wounded . One officer and 148 enlisted men by disease . Total casualties were 409 . The regiment ranks first among Massachusetts regiments and fifth among Union regiments in total casualties . In 1866 the Cambridge City Guard became Company F of the 5th Mass . National Guard and overseas service . In June 1898 The Cambridge City Guard was mobilized for the war with Spain along with the 5th Mass . and served at Gunville , South Carolina . The Land forces of the Massachusetts Volunteer Militia were redesignated as the Massachusetts National Guard on 15 November 1907 . In June 1916 the Cambridge Guard was sent to the Mexican Border as Company A of the 8th Mass . Infantry . The 8th Mass . served on the Mexican Border at El Paso , Texas . World War I . In the First World War the company sent many of its soldiers to the 101st Infantry , the remainder of the company served in France as part of the 5th Pioneer Infantry Regiment . The pioneer regiments included such specialists as mechanics , carpenters , farriers and masons . They were supposed to work under the direction of the Engineers to build roads , bridges , gun emplacements and camps " within the sound of the guns . " They received standard infantry training so that they could defend themselves , but there are very few documented instances of any pioneer troops unslinging their rifles . Demobilized in January 1919 at Camp Wadsworth . On 1 April 1923 , the Cambridge City Guard was designated as Company H of the 101st Infantry Regiment . World War II . Company H was mobilized in January 1941 for one year of training with the Yankee Division . The year of training ended in December 1941 but the company ’ s service continued after the Japanese attack on Pearl Harbor brought the United States into the Second World War . Company H , 101st Infantry deployed to Europe with the Yankee Division and fought from Normandy across Germany to meet the Soviets in Czechoslovakia at wars end . The company served in the Army of Occupation in Austria until 1946 . In 1946 , The Cambridge City Guard was re - established as Company H , 101st Infantry , and later was designated as Company C of the 1 - 182 IN . The Company served through the Cold War . Later service . In 1995 , The Cambridge Guard became Company C , 1 - 181 IN ( Light ) . In August 2001 , Company C 1 - 181 IN mobilized for service in Bosnia - Herzegovina as an element of the NATO Stabilization Force . ( SFOR 10 ) 0n 8 September 2003 , Company C , 1 - 181 Infantry was mobilized for one year duty at Guantanamo Bay , Cuba providing security for the detention facilities at Camp America and Camp Delta in support of Operation Enduring Freedom . In September 2005 , Company C mobilized as an element of JTF Yankee for rescue and security operations in New Orleans following Hurricane Katrina . In July 2007 , C Company mobilized in support of Operation Iraqi Freedom . The unit served as an Operational Support Team . The mission was to provide security for theater driven counterintelligence operations , for the Commander of Multi - National Forces - Iraq ( MNFI ) . The Company was awarded the Joint Meritorious Unit Award . In August 2010 , Company C 1 - 181 IN deployed for one year of service with the International Security Force in Afghanistan in support of Operation Enduring Freedom . The company provided command and control at Camp Alamo in Kabul and conducted security operations in Khost , Paktya and Paktika Provinces . Battles . American Civil War , Cambridge City Guard , 20th Massachusetts Infantry Spanish American War , Cambridge City Guard , 5th Massachusetts Infantry Mexican Border campaign , Cambridge City Guard , 8th Massachusetts Infantry World War I , 5th Pioneer Infantry Regiment World War II , H Company , 101st Infantry Regiment ( United States ) Global War on Terror , Company C 1 - 181 IN