1913 - Navy tests Sperry gyroscopic stabilizer (automatic pilot).
1929 - Near New London, Conn., 26 officers and men test Momsen lung to exit submerged USS S-4.
1961 - Two Cuban frigates fire on a Naval Reserve aircraft on a training mission over international waters.
For more information on naval history, visit the Naval Historical Center Web site at www.history.navy.mil.
