The 1st Topographic Platoon is a military unit located on Camp Pendleton, California. It is composed of members of the Geographic Intelligence Specialist Military Occupational Specialty (MOS) 0261. Most members of the 0261 field are highly trained intelligence operators with extensive knowledge of geospatial intelligence, terrain analysis, land navigation techniques, datums and ellipsoids, coordinate systems, and cartography that make them a valuable asset to the Marine Expeditionary Force.
The majority of the platoon was last deployed to Afghanistan with the I Marine Expeditionary Force (Fwd) on Camp Leatherneck in 2010.