Complex sentence: Around October 1953 the United States Air Force reoriented its biological warfare program, one result, in anti-personnel weaponry, was a move away from weapons such as the M33 cluster bomb to the lethal E61 anthrax bomb.
Split into simpler sentences: Around October 1953 the United States Air Force reoriented its biological warfare program. One result of this, in anti-personnel weaponry, was a move away from weapons such as the M33 cluster bomb to the lethal E61 anthrax bomb.