August Plummer, callsign Delta-Three, was a serviceman of the UNSC Defense Force, serving with the UNSC Marine Corps and the UNSC Special Operations Command. He would enlist with the Marine Corps in late 2552, beginning Basic Training in the covert UNSC Marine Corps redoubt code-named "CROW'S NEST" in Africa when the Covenant attack struck. Instead of being ordered to fight and defend the base, the trainees were ordered to the evacuation dropships, and Plummer would always remember that his life had been paid with human blood on the plains of Africa. Plummer would escape from the installation, alongside the legendary Miranda Keyes no less, and after the conclusion of the Defense of Earth and the Human-Covenant War days later, Plummer would complete his training and specialize in airborne t