Following the conclusion of the Korean War (1950-1953), the U.S. Army recognized the pressing need to modernize its arsenal, particularly replacing outdated World War II-era weapon systems. One critical requirement arose for air-transportable, tracked artillery systems capable of being swiftly deployed to support army units across distances. Responding to this need, the U.S. Army outlined specifications for a self-propelled artillery platform, prompting Pacific Car and Foundry, with its focus on heavy industry, to embark on the development of several prototype vehicles. This endeavor yielded a range of possibilities, from which the Army selected two promising designs to proceed with: the M107 and M110 self-propelled artillery platforms. While both shared the same chassis and gun mounts for efficiency and logistical reasons, they differed notably in armament, with the M107 featuring a 175mm gun and the M110 sporting a 203mm gun. The initial production run of M110 vehicles was completed in 1962, swiftly followed by formal acceptance into the inventories of the U.S. Army and the U.S. Marine Corps.