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
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
American agents battled opium smugglers cramming contraband into steamers headed for San Francisco Bay
New look at sources erodes story about commanders' infighting contributing to Lee's escape
Mormon professor Thomas Alexander furnishes a surprisingly balanced picture of the controversial LDS leader