Fair Oaks, Va., Vicinity. Federal Battery (U.S. Civil War) This product title refers to a historical location in the American Civil War. The Fair Oaks Battlefield in Virginia was the site of one of the significant engagements during the Peninsula Campaign in 1862. The "Federal Battery" mentioned indicates an area where Union artillery was deployed, marking a critical point during the battle between the Union forces and Confederate troops led by General Robert E. Lee. This title does not represent any modern-day battery or military installation but is a historical reference to events that took place during the U.S. Civil War.