43rd Arty: 5th Arty Group

• Lineage: The 43rd Artillery was first constituted in the Regular Army as the 43rd Coast Artillery (Harbor Defense) in 1918, tracing its roots to World War I coastal defense. • World War II Service: The 43rd Artillery Regiment served in the Pacific Theater during World War II, providing crucial anti-aircraft and field artillery support. • Reactivation in the Cold War: Elements of the 43rd Artillery were reactivated during the Cold War era as part of the U.S. Army's growing air defense network. • Vietnam War Assignment: The 43rd Artillery was assigned to the 5th Artillery Group and served in Vietnam, providing artillery fire support for U.S. and allied forces. • Fire Support: Batteries of the 43rd Artillery operated 155mm and 175mm self-propelled guns, delivering long-range fire missions against enemy positions and supporting infantry operations. • Notable Engagements: The 43rd Artillery participated in major operations such as the defense of firebases and the support of search-and-destroy missions in areas like III and IV Corps Tactical Zones. • Unit Citations: The unit received commendations and unit citations for its service, reflecting its critical role in supporting ground operations. • Integrated Units: The 5th Artillery Group, to which the 43rd was assigned, often coordinated multinational fire support, working with South Vietnamese and allied artillery units. • Technological Advancements: The 43rd Arty utilized advanced artillery locating radars and improved fire direction techniques, increasing their effectiveness in counter-battery fire. • Legacy: Veterans of the 43rd Artillery and 5th Artillery Group maintain active reunion associations and websites, preserving the unit's history and honoring its service.