A new clime and place: Future battlefield at the forefront of new Marine School of Infantry pilot program March 8 In addition to extending the standard SOI course and adding new skills to the curriculum, the course will start training Marines for the new geographic focus and strategy. (Sgt. Tyler L. Main/Marine Corps) After nearly two decades of fighting wars all over the Middle East, the Corps is looking to fight in a new clime and place, using new tactics to take on near-peer enemies. The Corps’ shift to the Pacific and emphasis on expeditionary advanced base operations comes with a cultural shift and shift in the actual assets and capabilities it demands.