M109A5 Self-Propelled Howitzer

American 155mm tracked self-propelled howitzer providing Chilean artillery with mobile fire support for mechanized and infantry formations. Chile operates M109A5 variant featuring 155mm/39-calibre barrel upgrade from original 155mm/23, improved recoil mechanism, semi-automatic ammunition loading, modern fire control with ballistic computer, GPS navigation, and digital communications. Maximum range 24+ km with standard ammunition or 30 km with rocket-assisted projectiles. Rate of fire 4 rounds/minute sustained. Weight 27 tonnes. Powered by Detroit Diesel providing road speed of 56 km/h. Crew of 6. Chilean M109A5 procured through US Foreign Military Sales or surplus transfers providing cost-effective artillery modernization. Equips artillery regiments supporting armored and mechanized brigades. The tracked configuration provides mobility to accompany Leopard 2 and Marder in combined arms operations. Critical capability for delivering massed fires in support of ground operations. Chilean artillery doctrine emphasizes maneuver and rapid positioning. Future potential upgrades to more capable systems or continued operation with modernization. Complements towed artillery providing balance between mobility and capability. Represents Chilean commitment to maintaining combined arms capability across all domains. Regular exercises demonstrating proficiency in fire support missions.