The 138th Guards Separate Motor Rifle Brigade (138th MRB) is a formation of the Russian Ground Forces. It is stationed in the Leningrad Military District, in the village of Kamenka, Vyborgsky District, Leningrad Oblast. It is Military unit No. 02511. It includes various components: air defense, artillery battalion, infantry and tank battalions. The 45th Guards Motor Rifle Division was a separate formation from the 45th Rifle Division (Soviet Union) - not a Guards unit - that was the predecessor to the district's 200th Motor Rifle Brigade, based at Pechenga in Murmansk Oblast.