Six months after his release, Campbell was ordered to lead 3,000 men from New York to Georgia, and in late December his army won the Battle of Savannah, followed by another victory at Augusta, Georgia. Contemporaries on both sides paid tribute to the humanity and restraint shown by Campbell. The American patriot Alexander Green, one of Lee's Legion and "aide-de-camp" to Major-General Nathanael Greene referred to Campbell's concern for the civil population and lack of bitterness towards his former captors. He also revealed how the Patriots feared Campbell as a commander of great ability. Greene related of Campbell: