1st Marine Battalion, 1st Marine Division

[ 𝟏𝐬𝐭 𝐁𝐚𝐭𝐭𝐚𝐥𝐢𝐨𝐧, 𝟏𝐬𝐭 𝐌𝐚𝐫𝐢𝐧𝐞𝐬 ]"𝐅𝐢𝐫𝐬𝐭 𝐨𝐟 𝐭𝐡𝐞 𝐅𝐢𝐫𝐬𝐭!"▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬1st Battalion, 1st Marines (1/1) is an infantry battalion in the United States Marine Corps based out of Camp Pendleton, California, consisting of anywhere from 800 to 2,000 Marine