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The expeditionary strike group (ESG) is a United States Navy concept introduced in the early 1990s, based on the Naval Expeditionary Task Force. The U.S. Navy fields nine expeditionary strike groups and ten carrier strike groups (CSGs), in addition to surface action groups. ESGs allow the U.S. to provide highly movable and self-sustaining naval forces for missions in various parts of the world. The ESG concept combines the capabilities of surface action groups, submarines, and maritime patrol aircraft with those of amphibious ready groups (ARGs) and Marine expeditionary units (MEUs) (special operations capable) to provide greater combat capabilities to theater combatant commanders. An expeditionary strike force (ESF) integrates the CSG and ESG with the sea-basing functions provided by the maritime prepositioning force (future) to provide an even more potent capability.

History

The United States Navy has always been involved in developing different military concepts to improve the rapid deployment of naval power and troops from one point to another. One of these concepts was the amphibious ready group (ARG). The ARG consisted of a group of various ships known as an Amphibious Task Force (ATF) and a Landing Force (LF), which normally consisted of United States Marines and, on occasion, could consist of United States Army troops. An ARG is composed of an amphibious assault ship (LHA/LHD), an landing platform/dock (LPD), a Landing Ship, Dock (LSD) , and a Marine Expeditionary Unit (MEU), which includes a Marine Infantry battalion landing team, AV-8B Harrier II aircraft, CH-53 Sea Stallion, CH-46 Sea Knight, AH-1 Sea Cobra, and UH-1 Huey helicopters. The Navy had two to three ARGs deployed at a given time. Normally one of the ARGs was in the Mediterranean Sea and Persian Gulf or Indian Ocean area, and the other two were in the western Pacific Ocean.

Early 1990s – present

In the early 1990s, the U.S. Navy introduced a new concept based on the ARG, the ''naval expeditionary task force'' or, as it is also known, the ''expeditionary strike group'' (ESG). The ESG is similar to the ARG except that with the ESG concept, the U.S. Navy would be able to deploy almost double the number of independent operational groups, from 19 to 38. In addition, the ESG included surface warships and submarine escorts, similar to a carrier strike group (previously a carrier battle group). An ESG is composed of an amphibious assault ship (Landing helicopter assault (LHA)/Landing helicopter dock (LHD)), a dock landing ship (LSD), an Landing Platform/Dock (LPD) , a Marine expeditionary unit, AV-8B Harrier II aircraft, CH-53E Super Stallion helicopters, CH-46E Sea Knight helicopters or more recently, MV-22B tiltrotors, and other aircraft that comprise a USMC composite squadron. Cruisers, destroyers, and attack submarines may deploy with either an expeditionary strike group or a carrier strike group. As originally envisioned in the 1990s, the ESG concept allowed the Navy to field 12 expeditionary strike groups and 12 carrier strike groups, in addition to surface action groups centered on ''Iowa'' class battleships. Thus, the Navy and Marine Corps forces could launch Marines via landing craft and helicopters as warships and submarines struck inland targets with aircraft, missiles and shells. However, defense budget reductions in the mid-1990s, coupled with retirements of older aircraft carriers and amphibious assault ships without one-for-one replacements, has reduced the original 12 x 12 ESG/CSG construct to fewer groups due to fewer ship hulls to support those said groups.

Expeditionary Strike Groups



Current ESGs

The following is a list of U.S. military ESGs: *Wasp Expeditionary Strike Group – **''Wasp'' ESG, from June to December 1991 she was on deployment to the Mediterranean. From February to August 1993 she took part in Operation Restore Hope and Operation Continue Hope off Somalia. ''Wasp'' conducted a Mediterranean deployment from August 1995 to February 1996. The Wasp was again deployed in 2004 with the 22 MEU in support of Operation Enduring Freedom *Essex Expeditionary Strike Group – *Kearsarge Expeditionary Strike Group – *Boxer Expeditionary Strike Group – *Bataan Expeditionary Strike Group – *Bonhomme Richard Expeditionary Strike Group – *Iwo Jima Expeditionary Strike Group *Makin Island Expeditionary Strike Group – *America Expeditionary Strike Group –

Former ESG units

This is a list of former ESGs and similarly themed predecessor organizations: ;Named groups: (These were named for the s that lead them. All ships in this class have since been decommissioned) *''Tarawa'' Expeditionary Strike Group (before "''Tarawa'' Amphibious Ready Group") — *''Saipan'' Expeditionary Strike Group – *''Belleau Wood'' Expeditionary Strike Group – *''Nassau'' Expeditionary Strike Group – *''Peleliu'' Expeditionary Strike Group – **''Peleliu'' ESG, in September 1997, USS ''Peleliu'' ARG took part in Fleet Battle Experiment – Bravo's "Silent Fury" phase along with the ''Constellation'' Carrier Battle Group. The ''Peleliu'' ARG was deployed to the Persian Gulf in 1997 and participated in Exercise Eager Mace 98. ;Numbered groups: (Amphibuous Groups since redesignated as Expeditionary Strike Groups) *Expeditionary Strike Group 1 – Deployed to the Indian Ocean and Persian Gulf in 2003 in support of the Global War on Terror. It included the ''Los Angeles-class'' nuclear attack submarine and the only operational Advanced SEAL Delivery System, a minisub deployed from the ''Greeneville'' that was used by Navy SEALs for special operations missions. *Expeditionary Strike Group 2 – In 1978, Amphibious Group 2 comprised Amphibious Squadron 2, Amphibious Squadron 4, Amphibious Squadron 6, and Amphibious Squadron 8, all at Norfolk, VA. In 1984 it still comprised the same four squadrons, parenting a mix of LHAs, LKAs, LPHs, LPDs, LSDs, and LSTs. The command also included and . Commander, Amphibious Group 2 was disestablished 31 December 2006, and commissioned as Commander, Expeditionary Strike Group 2, per CNO guidance regarding alignment of Expeditionary Strike Groups and Amphibious Groups. This culminated nearly a year of preparation to become an operational command ready to deploy to the Middle East. Commander, Expeditionary Strike Group 2 is an Echelon 4 command, previously reporting to Commander, U.S. Second Fleet. In 1978, , a Naval Reserve Force ship, was assigned to Amphibious Group 2.Norman Polmar, Ships and Aircraft of the U.S. Fleet, Eleventh Edition, 1978, , 9. *Expeditionary Strike Group 3 *Amphibious Group 4 – , part of the Northern Attack Force, served as flagship of Rear Admiral Lawrence F. Reifsnider, Commander Amphibious Group 4, for the Battle of Okinawa in 1944. In a transfer of flags at San Juan, Puerto Rico, on 23 March 1954, Commander Amphibious Group 4 (COMPHIBGRU 4) shifted his flag to . Commanded by Rear Admiral Eugene B. Fluckey from November 1960 to October 1961. Active in the 1960s, seemingly up to 1968–69, in the Atlantic Fleet. *Expeditionary Strike Group Seven *USS ''Essex'' ESG (ESG-FDNF early 2003). The USS ''Essex'' (LHD-2) is the second ship in the all new ''Wasp'' class of multipurpose amphibious assault ships and was commissioned on 17 October 1992 in San Diego, California. The mission of the ''Essex'' is to conduct prompt, sustained combat operations at sea, as the centerpiece of the Navy's amphibious strategy, from the Sea. Essex ESG is also known as ESG 7 and is led by the Commander, Task Force 76.

Marine Air-Ground Task Forces

The Marine-Air-Ground Task Forces, or MAGTF, are a combined component of air and amphibious ground forces of the United States Marine Corps. They consist of either the Marine Expeditionary Force(MEF), Marine Expeditionary Brigade(MEB), or the smaller Marine Expeditionary Unit(MEU) that deploys either from the United States Navy's Expeditionary Strike Groups or Amphibious ready groups. The MAGTF are composed of four basic elements: *Command Element (CE) – Serves as the headquarters for the entire unit and allows a single command to exercise control over all ground, aviation, and combat service support forces. *Ground Combat Element (GCE) – Provides the MAGTF with its main combat punch. Built around a Marine infantry battalion, the GCE is reinforced with tanks, artillery, amphibious vehicles, engineers, and reconnaissance assets. *Aviation Combat Element (ACE) – Consists of a composite medium helicopter squadron containing transport helicopters of various models and capabilities, attack helicopters and jets, air defense teams, and all necessary ground support assets. *Logistics Combat Element (LCE) – Providing the MAGTF with mission-essential support such as medical/dental assistance, motor transport, supply, equipment maintenance, and landing is the mission of the LCE. The Aviation Command Element now consists of VMM composite squadron. The CH-46 was retired from active service and replaced with the MV-22B aircraft.

References



External links

*{{cite web|access-date=17 May 2007 |url=http://stinet.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA328250 |title=Naval Expeditionary Task Force Combat Logistics Coordinator in the Year 2010 |author=Turley, Craig W. |date=19 May 1997 |publisher=Joint Military Operations Department, Naval War College |location=Newport, Rhode Island Category:Combatant groups of the United States Navy Category:Amphibious units and formations of the United States Navy