One Million Steps: A Marine Platoon at War - Paperbackby Bing West (Author) Battalion 3 5 suffered the highest number of casualties in the war in Afghanistan. This is the story of one platoon in that distinguished battalion. Aware of U. S. plans to withdraw from the country, knowing their efforts were only a footprint in the sand, the fifty Marines of 3rd Platoon fought in Sangin, the most dangerous district in all of Afghanistan. So heavy were the casualties that the Secretary of Defense offered to pull