Leathernecks witnessed the assassination and played a role in the roundup of the conspirators
Small force of Navy ships battled Confederate guns to keep the Potomac open for traffic
Eighty years ago, the air war over Britain did not start well for the Royal Air Force in a “friendly fire” incident involving Spitfires and Hurricanes
Bad roads and mountains made ditches and locks the most modern mode of transportation—for a while
To protect Washington from surrounding Southerners, Maj. John Barnard built a network of forts and gun emplacements. It was only tested once.
After sharing Nobel Prize, Ken Rutherford wrote a history of Civil War explosive devices