Major General Kazi Mohammad Shafiullah (Bir Uttam) was the 2nd Chief of Army Staff of the Bangladesh Army. During the Bangladesh Liberation War of 1971, he was the Second in Command of Second East Bengal Regiment that revolted with six officers on the night of March 25, 1971. He became one of three brigade commanders, leading what was called the "S-force" (after his surname) during the Bangladesh Liberation War in 1971.