Evaluating which military service branch fields the best football team typically centers around the annual Commander-in-Chief's Trophy competition contested among the United States Military Academy, the United States Naval Academy, and the United States Air Force Academy. Over the modern era of collegiate football, supremacy among the service academies frequently shifts back and forth between Army, Navy, and Air Force, each of which employs unique triple-option or disciplined offensive schemes to overcome physical size disadvantages against larger FBS opponents.