US Army (USA) SPECIALIST Fourth Class (SPC) Bryan Rose, Driver, M1A1 Main Battle Tank (MBT) Abrams, 2nd Battalion, 34th Armor Regiment, Fort Riley, Kansas (KS), waits to move his tank into storage. The Abrams Tanks and support equipment are stored as part of the RECEPTION STAGING ONWARD MOVEMENT and INTEGRATION (RSO&I) Exercise at Osan Air Base (AB), Korea. RSO&I is an annual command post exercise that tests the ability to receive forces onto the peninsula, process them, and move them into position