UFO Database Analysis:
“Blue Book UFO Reports at Sea by Ships”
by Antonio F. Rullán, 10 December 2002 (NICAP.org)

The study focused on UFO reports that were submitted by U.S. Navy, U.S. Coast Guard and commercial ships in the Atlantic and Pacific Oceans to the U.S. Air Force Project Blue Book, according to Rullán:

http://www.nicap.org/uso/bbpdf.pdf

The U.S.S. Durant, an Edsall-class destroyer escort in the U.S. Navy, reported nine UFO incidents to Project Blue Book.

Wikipedia article: “USS Durant (DER-389)”:

http://en.wikipedia.org/wiki/USS_Durant_(DER-389)

USS Durant (DER-389)

(wikimedia.org)