USS Galaxy (IX-54), was a diesel motor yacht built in 1930 by Pusey and Jones Company, in Wilmington, Delaware for Mr. Bernard W. Doyle, of Leominster, Massachusetts.

Based at East Boston throughout her entire career, as a unit of the 1st Naval District, she completed a variety of assignments for the Underwater Sound Laboratory, Fort Trumbull, New London, Connecticut; experimental underwater sound work for the Bureau of Ships and the Harvard Underwater Sound Laboratory.

These operations were carried out at Boston and off New London; and for a brief time off the Delaware breakwaters and in the Chesapeake Bay.

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.

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