Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Lieutenant Commander Zachary Lansdowne, USN (December 1, 1888 - September 3, 1925) Navy Cross was a United States Navy officer and early Naval Aviator who contributed to the development of the Navy''s first lighter-than-air craft. He died in command of the airship USS Shenandoah (ZR-1), which crashed in Ohio on September 3, 1925.Born in Greenville, Ohio, Lansdowne was appointed to the Naval Academy September 2, 1905 and commissioned Ensign June 5, 1911. He subsequently served on the destroyer USS McCall (DD-28), and in the Ohio Naval Militia. After completing his aviation training, he became Naval Aviator 105.