Battle of Bosworth Field stood on Bosworth Field: Richard III and his Yorkist army; his challenger, Henry Tudor, who championed the Lancastrian cause; and the fence-sitting Stanleys. Small and slender, Richard III did not have the robust physique associated with many of his Plantagenet predecessors. However, he enjoyed very rough sports and activities that were considered manly. His performances on the battlefield impressed his brother greatly, and he became Edward's right-hand man. During the 1480s Richard defended the northern borders of England. In 1482 Edward charged him to lead an army into Scotland with the aim of replacing King James III with the Duke
S-III J-2 engines. The upgraded S-I in the C-3 was replaced by a new stage powered by two F-1s. By 1962, consideration of the Saturn C-2 and C-3 vehicles were dropped entirely. The Saturn C-4 was briefly considered (4xF-1 plus 4xJ-2 plus 1xJ-2) before being replaced by the Saturn C-5, which provided a greater payload margin for lunar missions. The S-II designation was now applied to the 2nd stage of the C-5. S-III The S-III (pronounced "ess three") was a proposed third stage of the early Saturn C designs for a five-stage Saturn launch vehicle. The Saturn C configurations were based