Pat Meid, U.S. Marine Operations in Korea…
“ Supporting Marine division units, particularly artillery and armor, fed more facts into the system, mostly through identification of the caliber of enemy shells fired at the Marines. As a result of its missions forward of the line and actions in defense of it, the division reconnaissance company also contributed to the intelligence network. Individual Marines, performing as tactical air observers and artillery air observers, as well as the VMO and HMR pilots, were other important sources readily available to the 1st Marine Division. ”
