When you disable the radio shoot the box inside the small hut where the radio is and pick up the item, This is General Shima's Photograph. The next is later on. In the place where you look through the hole to see a guy taking a whizz shoot the box on the other side of the wall to your left. There should be another crate still there, but smaller. Shoot this create, The above should be repeated. After the smallest box (3rd) is destroyed there should be a Buddha Statue sitting there, Collect it.