I photographed these variations of the Long Tom guns. The only difference between the M1/M2 155mm types and the M115 8-inch Howitzer types is the barrel.
M1 155mm Long Tom
USS Alabama Memorial 2024
M1A1 155mm Gun
NMMV Dubois WY 2025
M1 155mm Long Tom
Virginia War Museum; Newport News VA 2026
M2 155mm “Long Tom”
Flying Heritage Collection 2017
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