Zachary Lansdowne

Lieutenant Commander Zachary Lansdowne, USN (December 1, 1888 – September 3, 1925) 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 earned the Navy Cross for his participation in the first transoceanic airship flight while assigned to the British R34 in 1919. He later commanded the USS Shenandoah (ZR-1), which was the first rigid airship to complete a flight across North America. He was killed in the crash of the Shenandoah.

Born in Greenville, Ohio, Lansdowne was appointed to the United States 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.

Lansdowne was assigned to duty with the Royal Naval Air Service during and after World War I, to study dirigibles. He was awarded the Navy Cross “for distinguished service...as one of the crew of the British airship R-34, which in July 1919, made the first successful nonstop passage from England to the United States.” He married Margaret Kennedy Ross (September 30, 1902 – June 9, 1982) on December 7, 1921 in Washington D.C. She was later remarried John Caswell Jr. on February 27, 1927. Caswell died on December 23, 1954 in Washington D.C.

On February 11, 1924 Lansdowne took command of the rigid lighter-than-air ship, USS Shenandoah (ZR-1), and was killed when she crashed at Ava, Ohio, September 3, 1925. He was buried later that month in section four at Arlington National Cemetery.

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