Sedgwick St. – John Sedgwick was a commander in the Army of the Potomac. He performed brilliantly under fire in the battles of Antietam and Gettysburg. He died from sniper fire at the Battle of Spotsylvania Courthouse in 1864. His last words were “they couldn’t hit an elephant at this distance.” Ulysses S. Grant said that he would rather lose 1,000 men than John Sedgwick. – http://en.wikipedia.org/wiki/John_Sedgwick
Upton St – is named after Emory Upton, a general in the Army of the Potomac that revolutionized how infantry could attack entrenched defenders. After the war he trained the PRussian Army on American infantry tactics prior to the Franco-Prussian War in 1871.
Rodman St – is named after a commander in the Army of the Potomac that held off A.P. Hill’s counter attack at the Battle of Antietam