The Sioux City (LCS 11) is the sixth ship in the Freedom-class littoral combat ships and the first ship in the United States Navy to be named after Sioux City, Iowa.

February 19, 2014 The keel authentication ceremony for the LCS 11 was held at the Fincantieri Marinette Marine Corp. shipyard in Marinette, Wisconsin.

November ?, 2015 The Pre-Commissioning Unit (PCU) Sioux City was moved from the Hull Block Erection Building #10 for the first time, mounted on Self Propelled Modular Transporters (SPMT's), and completed a 180 degree turn on land before resting at the waterfront of the Menominee River in Marinette, Wis.

January 30, 2016 PCU Sioux City was christened and launched during a 10 a.m. CST ceremony at Marinette Marine shipyard. Mrs. Mary Winnefeld, the wife of retired Adm. James A. Winnefeld, Jr., served as sponsor of the ship. Cmdr. Kevin W. Ralston (LCS Crew 108) is the prospective commanding officer.

October 30, 2017 The Sioux City returned to Marinette shipyard after a three-day underway for Builder's (Alpha) sea trials; Underway again from Nov. 21-2?.

April 29, 2018 PCU Sioux City returned to Marinette shipyard after a one-day underway for Bravo trials; Brief underway for acceptance trials with the INSURV on May 29; Underway again from July 25-26.

August 22, U.S. Navy officially accepted delivery of the LCS 11 during a short ceremony at the Marinette Marine shipyard.

October 23, The Sioux City (Crew 110), commanded by Cmdr. James R. Malone, departed Marinette, Wis., for the last time; Transited the Strait of Mackinac on Oct. 24; Moored at passenger dock in downtown Detroit, Mich., to refuel from Oct. 25-27; Transited the Welland Canal on Oct. 28.

October 29, PCU Sioux City moored at Berth 33 in Port of Montreal, Quebec, for an extended five-day visit; Moored at HMC Dockyard Jetty NB4 in Canadian Forces Base (CFB) Halifax, Nova Scotia, to refuel from Nov. 6-7.

November 9, The Sioux City moored at Pier 31S on Naval Submarine Base New London in Groton, Conn., for a two-day port visit; Moored at Quay Wall East in Joint Expeditionary Base Little Creek-Fort Story, Va., for a brief stop on Nov. 12.

November 13, The littoral combat ship moored at Dewey Field on U.S. Naval Academy in Annapolis, Md., for a five-day visit in preparation for its commissioning ceremony.

November 17, USS Sioux City was commissioned during a 9 a.m. EDT ceremony at the U.S. Naval Academy.

November 21, The Sioux City moored at Wharf C2 in its homeport of Naval Station Mayport, Fla., for the first time; Moved to Wharf D2 on Dec. 12; Underway again on Jan. 14.

January 16, 2019 LCS 11 moored at Pier 13N on Joint Expeditionary Base Little Creek-Fort Story for a week-long port call before conducting Combat Systems Ship's Qualification Trials (CSSQT) in the Virginia Capes Op. Area; Moored at Pier 13N again from Jan. 28- Feb. 4 and Feb. 8-19; Brief stop off Little Creek on Feb. 20.

February 25, USS Sioux City moored at Berth 5, Pier 10 on Naval Station Norfolk for a two-day port call; Moored at Berth 1, Pier 10 from March 1-4; Moored at Berth 6, Pier 4 from March 5-6; Moored at Berth 5, Pier 9 from March 10-14; Moored at Berth 1, Pier 1 from March 16-18.

March 18, The Sioux City moored at deperming crib on Lambert's Point Magnetic Treatment Facility in Norfolk for a four-day DEPERM; Conducted degaussing runs in Norfolk Harbor before underway on March 22.

March 25, USS Sioux City moored outboard the USS Milwaukee (LCS 5) at Wharf D3 on Naval Station Mayport; Moved to Wharf E1 on March 2?.

April 5, The Rotational LCS Crew 106 (Gold), commanded by Cmdr. Kevin B. O'Brien, assumed command of the Sioux City during a crew exchange ceremony aboard the ship.

April 5, Cmdr. Chavius G. Lewis relieved Cmdr. James R. Malone as CO of the LCS Crew 110 (Blue) during a change-of-command ceremony at Naval Station Mayport.

April 10, The Sioux City moored at Wharf A2 on Naval Station Mayport after a one-day underway off the coast of Jacksonville; Underway again on April 12.

April 14, USS Sioux City arrived at the Atlantic Undersea Test and Evaluation Center (AUTEC) range, off the east coast of Andros Island, Bahamas; Transited northbound, east of Berry Islands, just after midnight on April 15.

April 16, USS Sioux City moored at S/S/I Mole Pier on Naval Air Station Key West, Fla., for a three-day port visit; Moored at Allegheny Pier, Naval Air Station Pensacola for a brief stop on April 22; Conducted testing off the coast of Panama City, Fla., from April 23-24; Moored at Allegheny Pier again from April 25-26.

April 29, The Sioux City moored at Wharf D2 on Naval Station Mayport; Underway again on June 5.

June 7, USS Sioux City moored at Nauticus Pier in downtown Norfolk for a three-day port visit in conjunction with the 43rd annual Harborfest; Moored at Wharf D4 in Naval Station Mayport on June 14; Underway in the Jacksonville Op. Area from July 10-11 and Aug. 1-2.

August 15, LCS 11 moored outboard the USS Little Rock (LCS 9) at Wharf D3 on Naval Station Mayport after a one-day underway in the Jacksonville Op. Area; Underway again on Aug. 23.

August 26, The Sioux City moored at Quay Wall East on Joint Expeditionary Base Little Creek-Fort Story for a nine-day port call; Moored at Pier 8S in Naval Submarine Base New London in Groton, Conn., from Sept. 6-12.

September 12, USS Sioux City moored at Pier 7N, Fort Trumbull State Park in New London for a four-day port visit to participate in the annual Connecticut Maritime Heritage Festival; Moored at Pier 6N on Naval Submarine Base New London from Sept. 16-27.

September 29, USS Sioux City moored at Wharf C1 on Naval Station Mayport; Moved to BAE Systems Jacksonville Ship Repair facility, for a Post Shakedown Availability (PSA), on Oct. 7.

October 1?, The Rotational LCS Crew 110 (Blue) assumed command of the Sioux City during a crew exchange ceremony aboard the ship.

April ?, 2020 The Rotational LCS Crew 106 (Gold), commanded by Cmdr. Daniel A. Reiher, assumed command of the Sioux City during a crew exchange ceremony aboard the ship.

April 21, USS Sioux City moved "dead-stick" from BAE Systems Jacksonville Ship Repair facility to Wharf C2 on Naval Station Mayport; Moved to Wharf D3 on Tuesday afternoon; Underway for sea trials from May 2?-31; Moved to Wharf C2 on July 10; Moved to Wharf C1 on July 13; Underway again on July 16.

July 18, The Sioux City moored at Quay Wall Dogleg Berth on Joint Expeditionary Base Little Creek-Fort Story for a two-day port call before participating in a Task Force Exercise (TFEX) in the Cherry Point, Charleston and Jacksonville Op. Areas.

July 31, USS Sioux City moored at Wharf A2 on Naval Station Mayport; Moved to Wharf C2 on Aug. 1; Moved to Wharf D2 on Aug. 5.

August 30, USS Sioux City (Gold), with an embarked Helicopter Sea Combat Squadron (HSC) 22 Det. 6, departed Mayport for its first operational deployment in support of counter-illicit trafficking operations.

September 4, The Sioux City moored at N/S/I Mole Pier on Naval Air Station Key West, Fla., for a two-day port call; Moored at N/S/I Mole Pier again from Sept. 9-11 and Sept. 16- Oct. 1; Brief stop off Colon, Panama, on Oct. 5; Moored at Pier 6N in Port of Cristobal, just before midnight, on Oct. 6; Underway on Oct. 8; Anchored off Naval Station Guantanamo Bay, Cuba, for a brief stop on Oct. 15.

October 22, LCS 11 moored at Bravo Wharf on Naval Station Guantanamo Bay for a one-day port call; Moored at Pier C to refuel on Oct. 30; Moved to Pier V on Oct. 31; Departed Cuba on Nov. 7.

November 13, USS Sioux City moored at Berth 8 in Port of Ponce, Puerto Rico, for a one-day stop to refuel; Inport Ponce again from Nov. 21-22; Arrived off the coast of Honduras, in support of Humanitarian Assistance/Disaster Response (HA/DR) operations, on Nov. 2?; Transited northbound, off the southeast coast of Florida, on Dec. 1; Arrived off the coast of Jacksonville on Dec. 3.

December 4, USS Sioux City moored at Wharf D2 on Naval Station Mayport following a three-month deployment in the U.S. 4th Fleet AoR.

December 23, Cmdr. Bradford C. Tonder relieved Cmdr. Daniel A. Reiher as CO of the Sioux City (Gold) during a change-of-command ceremony on board the ship.

January 11, 2021 USS Sioux City departed Naval Station Mayport in support of the USS Dwight D. Eisenhower (CVN 69) CSG's COMPTUEX, in the Jacksonville and Charleston Op. Areas; Moored at Wharf C1 for a brief stop on Jan. 19; Moored outboard the USS Detroit (LCS 7) at Wharf D3 on Jan. 22; Moved to Wharf C2 on Jan. 24; Moved back to Wharf D3, outboard the USS Detroit, on Feb. 1; Moved to Wharf D4 on Feb. 25.

March 31, USS Sioux City (Blue), with an embarked Helicopter Sea Combat Squadron (HSC) 22 Det. 3, departed Mayport for a scheduled deployment in the U.S. 4th Fleet AoR.

April 5, The Sioux City moored at Bravo Wharf on Naval Station Guantanamo Bay, Cuba, for a brief stop to refuel; Moored at Berth 8 in Port of Ponce, Puerto Rico, from April 2?-23; Moored at Naval Station Guantanamo Bay again from May 1-2.

May 7, USS Sioux City moored at Berth 9, KWL Terminal in Port of Kingston, Jamaica, for a brief stop to refuel; Moored at Berth 7 in Port of Ponce from May 12-14; Moored at Punta Torrecilla Terminal in Port of Santo Domingo, Dominican Republic, from May 22-23; Moored at Berth 8 in Port of Ponce from May 30- June ?; Moored at Pier A in Naval Station Guantanamo Bay from June 10-13; Moored at Berth 8 in Port of Ponce again from June 15-20.

June 22, LCS 11 moored at Tourelles Cruise Terminal in Port of Fort-de-France, Martinique, for a one-day visit; Participated in a PASSEX with the FS Germinal (F735) on June 23; Inport Santo Domingo from June 28-29.

July 4, USS Sioux City participated in a photo exercise (PHOTOEX) with the USS Wichita (LCS 13) and USS Billings (LCS 15), while underway off the south coast of Cuba; Moored at Bravo Wharf on Naval Station Guantanamo Bay from July 6-7; Moored at Berth 7 in Port of Ponce from July 11-17; Moored at Punta Torrecilla Terminal in Port of Santo Domingo for a brief stop to refuel on July 22; Moored at Bravo Wharf again for a brief stop on July 26.

July 30, USS Sioux City moored at Wharf D2 on Naval Station Mayport following a four-month deployment.

September 8, The Sioux City (Gold) moored at Wharf D2 after a one-day underway in the Jacksonville Op. Area.

September 9, USS Sioux City, with an embarked Helicopter Sea Combat Squadron (HSC) 22 Det. 4, departed Mayport for a scheduled deployment in support of counter-illicit trafficking operations.

September 13, The Sioux City moored at Bravo Wharf on Naval Station Guantanamo Bay, Cuba, for a routine port call; Moored at Punta Torrecilla Terminal in Port of Santo Domingo, Dominican Republic, from Sept. 21-22; Moored at Berth 8 in Port of Ponce, Puerto Rico, from Sept. 25- Oct. 1; Inport Ponce again from Oct. 6-7 and Oct. 14-15.

October 28, USS Sioux City moored at Punta Torrecilla Terminal in Port of Santo Domingo for a two-day port call; Moored at Berth 8 in Port of Ponce for upkeep from Nov. 6-13.

November 16, The Sioux City transited southbound, approximately 2 n.m. off the coast of Oranjestad, Sint Eustatius, to render honors in conjunction with the Statia Day; Moored at Punta Torrecilla Terminal in Port of Santo Domingo from Nov. 18-19.

November 24, USS Sioux City moored at Pier 1 in San Juan, Puerto Rico, for a three-day liberty port visit to celebrate the Thanksgiving Day; Moored at Pier 1 in San Juan again from Dec. 6-9; Moored at Pier C on Naval Station Guantanamo Bay for a brief stop to refuel on Dec. 14; Transited northbound, off the southeast coast of Florida, on Dec. 16.

December 17, USS Sioux City (Gold) moored at Wharf C2 on Naval Station Mayport following a 99-day deployment in the U.S. 4th Fleet AoR.

December 22, The Sioux City moved from Wharf C2 to Wharf D2 on Naval Station Mayport; Moved to Wharf C2 on Feb. 9.

February 11, 2022 Capt. Amy E. Graham, Commodore, Surface Division (CSD) 21 relieved of duty Cmdr. Bradford C. Tonder (Gold) due to a "loss of confidence in his ability to perform his duties." Cmdr. Joseph Caldwell, CO of the USS Detroit (LCS 7) Blue, assumed temporary command of the USS Sioux City.

February 17, USS Sioux City moored at Wharf D2 on Naval Station Mayport after a two-day underway in the Jacksonville Op. Area; Underway again on Feb. 18; Moored at Pier 14S on Joint Expeditionary Base Little Creek-Fort Story from Feb. 22-25; Returned home on March 3.

March 3, Cmdr. Daniel J. Virgets relieved Cmdr. Joseph Caldwell as CO of the LCS 11 (Gold) during a change-of-command ceremony on Naval Station Mayport.

April 15, The Sioux City moved from Wharf D2 to Wharf C1 on Naval Station Mayport; Moved back to Wharf D2 on April 19; Underway in the Jacksonville Op. Area from April 21-22.

April 25, USS Sioux City (Blue), with an embarked Helicopter Sea Combat Squadron (HSC) 22 Det. 3, departed Mayport for a scheduled deployment.

April 28, The Sioux City moored at Ferry Terminal in St. George's, Bermuda, for a two-day port visit; Moored at NATO Fuel Pier in Ponta Delgada, Portugal, to refuel from May 9-10; Moored at Pier 2 on Naval Station Rota, Spain, from May 13-14; Transited the Strait of Gibraltar eastbound on May 14.

May 16, USS Sioux City participated in a photo exercise (PHOTOEX) with the USS Harry S. Truman (CVN 75), while underway southwest of Sardinia; Moored at Berth K14 in Souda Bay, Crete, for "preventative maintenance" from May 20-27; Transited the Suez Canal southbound on May 29; Moored at South Multipurpose Terminal in Jeddah Islamic Port, Saudi Arabia, from May 31- June 2; Transited the Bab el-Mandeb Strait southbound on June 4.

June 5, The Sioux City moored at Port of Djibouti, Djibouti, for a one-day stop to refuel; Conducted a replenishment-at-sea with the USNS Wally Schirra (T-AKE 8), while underway in the Gulf of Aden, on June 13; Inport Djibouti again from June 16-17; Inport Fujairah, U.A.E., for a brief stop to refuel on June 23; Transited the Strait of Hormuz northbound on June 24.

June 25, USS Sioux City moored at Berth 14, Mina Salman Port in Manama, Bahrain, for a one-day port call; Inport Mina Salman again for upkeep from June 27- July 16; Transited the Strait of Hormuz southbound on July 17; Moored at General Cargo Terminal in Port of Duqm, Oman, for a brief stop to refuel on July 20; Moored at Port of Djibouti for a brief stop to refuel on July 25.

July 26, The Sioux City transited the Bab el-Mandeb Strait northbound; Moored at Berenice Naval Base, Egypt, from July 28-30; Participated in a passing exercise (PASSEX) with the ENS Alexandria (F 911) on July 30; Transited the Suez Canal northbound on Aug. 1; Moored at Alexandria Naval Base from Aug. 2-4.

August 7, LCS 11 moored at NATO Fuel Pier in Augusta Bay, Sicily, for a four-day port call; Moored at Berth 3, Pier 1 on Naval Station Rota from Aug. 15-16; Entered the English Channel on Aug. 19; Transited the Dover Strait northbound on Aug. 20; Moored at Zeebrugge Naval Base, Belgium, to refuel from Aug. 20-21; Transited the Skagerrak Strait eastbound on Aug. 23.

August 24, USS Sioux City moored at Berth 16-17 in Port of Fredericia, Denmark, for a week-long visit, the first by U.S. Navy warship since USS Patterson (FF 1061) in 1979; Transited the Skagerrak Strait westbound on Sept. 1; Transited the Dover Strait southbound on Sept. 2; Moored at Wharf 16, Her Majesty's Naval Base (HMNB) Devonport in Plymouth, England, from Sept. 3-7.

September 12, The Sioux City moored at Berth 1, Pier 1 on Naval Station Rota for a two-day port call; Moored at NATO Fuel Pier in Ponta Delgada, Azores, from Sept. 18-19.

October 2, USS Sioux City (Blue) moored at Wharf C2 on Naval Station Mayport after more than a five-month deployment in the U.S. 5th and 6th Fleet AoR.

October 7, The Sioux City moved from Charlie Wharf to Wharf D3 on Naval Station Mayport; Moved to Wharf C2 for ammo offload on June 27, 2023; Moved back to Wharf D3 on June 28.

August 14, USS Sioux City was officially decommissioned during a ceremony at Delta Wharf on Naval Station Mayport after a nearly five years of active service.

August 29, The ex-USS Sioux City recently moved from Delta Wharf to Wharf E2 on Naval Station Mayport; Moved to Wharf D4, outboard the USS Billings (LCS 15), on Feb. 2, 2024; Moved to Wharf E1 on March 7; Moved to Wharf E2, outboard the ex-USS Detroit (LCS 7), on April ?; Moored at Wharf E2 on May 13.

June 12, The ex-USS Sioux City departed Mayport, under tow by pusher tug Casey Ann, en route to Naval Inactive Ship Maintenance Facility in Philadelphia, Pa.