Flames of War: Marine 75mm SPM Self-propelled Gun Platoon (US103)The initial role of the self propelled gun platoon was to seek out the enemys flanks and then set up in ambush positions to engage their tanks. Although the 75mm gun mounted on an M3 half track was excellent for destroying Japanese tanks, these tactics were unsuited for fighting in the Pacific. The self propelled gun platoon was more often used to destroy enemy bunkers and fortifications that were delaying the infantry, and they were usually attached