Lance Cpl. Corey Camphouse, a field radio operator for Battlespace Surveillance Company, conceals a ground sensor while Lance Cpl. Daniel Hance, an intelligence specialist for Battlespace Surveillance Company, plots the coordinates during a reconnaissance and surveillance field exercise on Camp Shelby, Miss., Feb. 19, 2021. This training develops and refines platoon and section patrolling and increases proficiency in ground sensor operations. (U.S. Marine Corps photo by Lance Cpl. Mitchell Collyer)