12th Marine Regiment
{{Infobox military unit | unit_name = 12th Marine Regiment | image = 12th Marines logo.jpg | image_size = 150 | caption = 12th Marine Regiment Insignia | dates = October 4, 1927 – present | country = | allegiance = | branch = | type = Artillery Regiment | role = Provide fires in support of 3rd Marine Division | size = | command_structure = 3rd Marine Division | current_commander = Colonel Peter B. Eltringham | garrison = Camp Smedley Butler, Okinawa, Japan | ceremonial_chief = | colonel_of_the_regiment = | nickname = Thunder and Steel | patron = | motto = Honor, Fidelity, Valor | colors = | march = | mascot = | battles = World War II Battle of Bougainville Battle of Guam Battle of Iwo Jima Vietnam War Operation Desert Storm War on Terror Operation Enduring Freedom| notable_commanders = Donald M. WellerClifford B. Drake | anniversaries = }} The 12th Marine Regiment''' is an artillery regiment of the United States Marine Corps based at Camp Smedley Butler, Okinawa, Japan. Nicknamed "Thunder and Steel," the regiment falls under the command of the 3rd Marine Division. Mission Provide close and continuous fire support by neutralizing, destroying, or suppressing targets