Question: USS Thach, is an "Oliver Hazard Perry"-class frigate, was a ship of the United States Navy, named after which World War II naval aviator, air combat tactician, and United States Navy admiral ?

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USS Rentz (FFG-46): USS "Rentz" (FFG-46) was an "Oliver Hazard Perry"-class of guided missile frigate, of the United States Navy, the 40th ship to be constructed of its class.  The "Rentz" was named after World War II Navy Chaplain George S. Rentz (1882–1942).  Rentz was posthumously awarded the Navy Cross for actions following the loss of USS "Houston" in the Battle of Sunda Strait.  He was the only Navy chaplain to be so honored during World War II.

Oliver Hazard Perry-class frigate: The "Oliver Hazard Perry" class is a class of guided missile frigates named after the American Commodore Oliver Hazard Perry, the hero of the naval Battle of Lake Erie.  Also known as the "Perry" or FFG-7 class, the warships were designed in the United States in the mid-1970s as general-purpose escort vessels inexpensive enough to be bought in large quantities to replace World War II-era destroyers and complement 1960s-era "Knox"-class frigate s.  In Admiral Elmo Zumwalt's "high low fleet plan", the FFG-7s were the low capability ships with the "Spruance"-class destroyer s serving as the high capability ships.  Intended to protect amphibious landing forces, supply and replenishment groups, and merchant convoys from aircraft and submarines, they were also later part of battleship-centred surface action groups and aircraft carrier battle groups/strike groups.  Fifty-five ships were built in the United States: 51 for the United States Navy and four for the Royal Australian Navy (RAN).  In addition, eight were built in Taiwan, six in Spain, and two in Australia for their navies.  Former U.S. Navy warships of this class have been sold or donated to the navies of Bahrain, Egypt, Poland, Pakistan, Taiwan and Turkey.

USS Thach (FFG-43): USS "Thach" (FFG-43), an "Oliver Hazard Perry"-class frigate , was a ship of the United States Navy named for Admiral John Thach, a Naval Aviator during World War II, who invented the Thach Weave dogfighting tactic.

USS Crommelin (FFG-37): USS "Crommelin" (FFG-37), twenty-eighth ship of the "Oliver Hazard Perry"-class of guided-missile frigates, was named for five brothers: Rear Admiral John G. Crommelin (1902—1996), Vice Admiral Henry Crommelin (1904—1971), Commander Charles L. Crommelin (1909—1945), Lieutenant Commander Richard Crommelin (1917–1945), and Captain Quentin C. Crommelin (1919–1997).  The Crommelin brothers were the only group of five siblings ever to graduate from the United States Naval Academy.  Four of them became pilots, and Time magazine dubbed them "The Indestructibles."  The brothers saw action in more than ten campaigns in the Pacific Theater.  Henry, the oldest, became a Surface Warfare Officer while Richard and Charles died in combat as naval aviators in 1945.  Individually and as a fighting family, they gained fame in World War II, attaining outstanding combat records and multiple decorations.  "Crommelin" (FFG-37) is the first ship of that name in the United States Navy.

USS Klakring: USS "Klakring" (FFG-42), an "Oliver Hazard Perry"-class frigate , was a ship of the United States Navy named for Rear Admiral Thomas B. Klakring (1904–1975), who was awarded three Navy Crosses as commander of the submarine USS "Guardfish" during World War II.

USS Oliver Hazard Perry (FFG-7): USS "Oliver Hazard Perry" (FFG-7), lead ship of the "Oliver Hazard Perry" class of guided-missile frigates, was named for Oliver Hazard Perry, American naval hero, who was victorious at the 1813 Battle of Lake Erie.  "Oliver Hazard Perry" (FFG-7) was the first ship and, as of 2015, the only ship of that name in the U.S. Navy.  "Oliver Hazard Perry" was in service from 1977 to 1997 and was scrapped in 2005.

AN/SPS-49: The AN/SPS-49 is a United States Navy two-dimensional, long range air search radar built by Raytheon that can provide contact bearing and range.  It is a primary air-search radar for numerous ships in the U.S. fleet and in Spain, Poland, Taiwan aboard "Oliver Hazard Perry"-class frigate s, Canada on its "Halifax"-class frigate s, New Zealand on its "Anzac"-class frigate s and Australia on its "Adelaide"-class frigate s and "Anzac"-class frigates.  It formerly served in a complementary role aboard Aegis cruisers with the AN/SPY-1 but the systems are currently being removed during routine upgrade with no replacement.

USS Nicholas (FFG-47): USS "Nicholas" (FFG-47), an "Oliver Hazard Perry"-class frigate , was the third ship of the United States Navy to be named for Major Samuel Nicholas, the first commanding officer of the United States Marines.  A third-generation guided missile frigate of the Oliver Hazard Perry class, she was laid down as Bath Iron Works hull number 388 on 27 September 1982 and launched 23 April 1983.  Sponsor at her commissioning there on 10 March 1984 was the same Mrs. Edward B. Tryon who sponsored DD 449 in 1942.

John Thach: John Smith "Jimmy" Thach (April 19, 1905 – April 15, 1981) was a World War II naval aviator, air combat tactician, and United States Navy admiral.  Thach developed the Thach Weave, a combat flight formation that could counter enemy fighters of superior performance, and later the big blue blanket, an aerial defense against Kamikaze attacks.

USS Taylor (FFG-50): USS "Taylor" (FFG-50), an "Oliver Hazard Perry"-class frigate , was a ship of the United States Navy named for Commander Jesse J. Taylor (1925–1965), a naval aviator who was awarded the Navy Cross posthumously for his heroism in the Vietnam War.

Supporting paragraphs: USS Thach (FFG-43) John Thach
Answer: John Smith "Jimmy" Thach