"The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to Major Charles Porter Mattocks, United States Army, for extraordinary heroism on 6 April 1865, while serving with 17th Maine Infantry, in action at Deatonsville (Sailor's Creek), Virginia. Major Mattocks displayed extraordinary gallantry in leading a charge of his regiment which resulted in the capture of a large number of prisoners and a stand of colors."