Question: The USS "Phelps" along with the cruiser "Chester", escorted a vessel that served as the flagship for the commander of what?

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USS Hartley (DE-1029): USS "Hartley" (DE-1029) was a "Dealey"-class destroyer escort in the United States Navy.  DE-1029 is the second ship to bear the name Hartley; she was named for Admiral Henry Hartley, who established the Deep Sea Diving School.  As commander of the cruiser "Chester" , flagship of Service Squadron 10, Hartley participated in the Battle of Leyte Gulf, a major turning point of World War II, and then engaged in bombardment and salvage work at Wake Island, Marcus Island, Iwo Jima, Haha Jima, and Okinawa.  After commanding SerRon 10 for a year with the rank of Commodore, Hartley returned to Washington in March 1946 for special duty.  After 46 years of service to his country, he retired with the rank of Rear Admiral 1 May 1947.  Admiral Hartley died at Bethesda, Maryland, 6 March 1953.

Holly Graf: Holly Ann Graf is a retired Captain in the United States Navy.  Until January 2010 she was commanding officer of the "Ticonderoga"-class guided missile cruiser USS "Cowpens" (CG-63), a major surface combatant vessel of the fleet.  She was the first woman to command a cruiser in the history of the U.S. Navy.  Earlier, she had been the first woman in the U.S. Navy to command a destroyer when she served as skipper of the guided missile destroyer USS "Winston S. Churchill" (DDG-81).  Her personal decorations include the Legion of Merit and the Bronze Star, among others.  Graf was relieved of command for abusive behavior unbecoming of an officer and was featured in Time magazine that characterized her as a modern-day female "Captain Bligh."  The US Navy forced Graf into early retirement in 2012, but allowed her to do so at her current rank of Captain and under "honorable circumstances."

USS Nokomis (YT-142): USS "Nokomis" (YT-142/YTB-142/YTM-142) was a Woban-class harbor tug built in Bremerton, Wash, and assigned to Pearl Harbor, Hawaii, in 1940.  "Nokomis" was present during the Japanese attack on Pearl Harbor, December 7, 1941.  She was the first vessel on scene at the USS "Arizona", and was called off by the officers on deck because of the imminent explosion of the battery below deck.  It then left and helped beach the USS "Nevada", with  , and YT-153.  The beaching of the Nevada saved Pearl Harbor's mouth from being blocked.  After that the USS "Nokomis" fought fires and dewatered the battleship USS "California", for 3 days.  This effort made the "California" salvageable, to be recommissioned again later in the war.  "Nokomis" was also the last vessel to move the surviving YC-699 barge prior to the Japanese attack on Pearl Harbor.  Post-war she continued serving Pearl Harbor ships until she was decommissioned in May 1973, and eventually sold for "scrap" to Crowley, in San Francisco.  She was renamed "Sea Serpent" and served many years in the San Francisco Bay as a tug and fire boat.  In 1989, after the Loma Prieta earthquake in the SF Bay area, "Nokomis" and "Hoga" (which had been serving the City of Oakland as a fireboat) fought fires alongside each other again.

Lawrence Fairfax Reifsnider: Lawrence Fairfax Reifsnider (November 26, 1887 – May 14, 1956) was an American football player and a vice admiral in the United States Navy.  A native of Westminster, Maryland, Reifsnider attended the United States Naval Academy where he played college football at the halfback position for the Navy Midshipmen football team.  He was selected by Walter Camp in 1908 as a second-team All-American.  After graduating from the Naval Academy, Reifsnider served in the United States Navy until 1947, attaining the rank of vice admiral.  He served as a submarine commander in World War I, aboard the USS "O-5" and USS "E-2" submarines.  He later commanded the cruiser USS "Memphis", served as chief of the United States Naval Mission in Colombia, as chief of the Pacific Fleet Amphibious Training Command, and as commandant of the Eighth Naval district in New Orleans.  He received the Legion of Merit and two Distinguished Service Medals for his service in World War II.

HMS Kent (54): HMS "Kent", pennant number 54, was a County-class heavy cruiser built for the Royal Navy in the late 1920s.  She was the lead ship of the "Kent" subclass.  After completion the ship was sent to the China Station where she remained until the beginning of the Second World War, aside from a major refit in 1937–38.  "Kent" hunted the German pocket battleship "Admiral Graf Spee" in the East Indies in late 1939 and then was reassigned to troop convoy escort duties in the Indian Ocean in early 1940.  She was transferred to the Mediterranean in mid-1940, but was torpedoed shortly after arriving.  The ship was under repair for a year and was then assigned to Home Fleet where she escorted convoys to and from North Russia for the next several years.  In mid-1944 "Kent" escorted British aircraft carriers as their aircraft made attacks on German shipping and airfields in Norway.  A few months later was flagship of a force that intercepted a German convoy in Norwegian waters and sank two freighters and five escorts.  The ship was paid off in early 1945 and placed in until she was used as a target.  "Kent" was sold for scrap in 1948.

USS Birmingham (CL-2): USS "Birmingham" (CS-2/CL-2), named for the city of Birmingham, Alabama, was a "Chester"-class scout cruiser, reclassified a light cruiser in 1920.  Entering service in 1908, the ship became known for the first airplane takeoff from a ship in history in 1910.  During World War I, "Birmingham" escorted convoys across the Atlantic.  The cruiser was decommissioned in 1923 and sold for scrap in 1930.

Peter K. Cullins: Peter Kendall Cullins (November 19, 1928 – May 3, 2012) was an American U.S. Navy admiral who commanded the "USS Waddell" and the "USS Little Rock", a 1000-man guided missile cruiser and the flagship for Commander of the Sixth Fleet.

USS Chester (CL-1): USS "Chester" (CS-1/CL-1) of the United States Navy was the first scout cruiser built for the Navy.  In 1920, she was reclassified as a light cruiser.  She was launched on 26 June 1907, by Bath Iron Works, Bath, Maine, sponsored by Miss D. W. Sproul, and commissioned on 25 April 1908, Commander H. B. Wilson in command.  She was named in honor of Chester, Pennsylvania.

USS Indianapolis (CA-35): USS "Indianapolis" (CL/CA-35) was a "Portland"-class heavy cruiser of the United States Navy, named for the city of Indianapolis, Indiana.  The vessel served as the flagship for the commander of Scouting Force 1 for eight pre-war years, then as flagship for Admiral Raymond Spruance, in 1943 and 1944, while he commanded the Fifth Fleet in battles across the Central Pacific in World War II.

USS Phelps (DD-360): USS "Phelps" (DD-360) was a World War II-era "Porter"-class destroyer in the service of the United States Navy.  She was named for Thomas Stowell Phelps, who was a Rear Admiral in the US Navy in 1884.  "Phelps" was laid down 2 January 1934 by Bethlehem Shipbuilding Corporation's Fore River Shipyard, Quincy, Massachusetts; launched 18 July 1935; sponsored by Mrs. Richard A. Kearny; and commissioned 26 February 1936, Commander Albert H. Rooks in command.  In November 1936 "Phelps", along with the cruiser "Chester", escorted the heavy cruiser "Indianapolis" carrying President Franklin D. Roosevelt to Buenos Aires, Argentina for the opening of the Inter-American Peace Conference of 1936.  The cruise included good-will visits to Montevideo, Uruguay and Rio de Janeiro, Brazil.

Supporting paragraphs: USS Phelps (DD-360) USS Indianapolis (CA-35)
Answer: Scouting Force 1