With deployment orders to the Middle East, the United States’ 31st Marine Expeditionary Unit—led by the amphibious assault ship USS Tripoli (LHA 7)—is transiting the South China Sea en route to U.S. Central Command’s (USCENTCOM) area of responsibility. The ship is also being accompanied during its transit by USS New Orleans (LPD-18) and USS San Diego (LPD 22), San Antonio-class amphibious transport docks.
According to open-source reporting and tracking by naval observers, the USS Tripoli Amphibious Ready Group is moving westward at high speed and could take around ten days to reach the Middle East region, where it is expected to integrate into the naval posture already deployed in the area, which includes the carrier strike groups centered on USS Gerald R. Ford (CVN-78) and USS Abraham Lincoln (CVN-72).
The 31st Marine Expeditionary Unit (MEU), based in Okinawa, is one of the U.S. Marine Corps’ primary rapid-response forces. These types of units are designed to conduct amphibious operations, civilian evacuations, crisis response, humanitarian assistance, and limited combat operations. Each MEU is typically composed of around 2,200 Marines, organized into a ground combat element, an aviation combat element, and a logistics combat element, enabling it to operate independently for extended periods.
USS Tripoli and the F-35B fighters
A member of the America class, USS Tripoli (LHA-7) is one of the U.S. Navy’s most modern amphibious assault ships, with a displacement of roughly 45,000 tons. Designed to operate as an embarked aviation platform, it is capable of deploying helicopters and short takeoff and vertical landing (VTOL) aircraft.
Among the aircraft it can operate are the stealth F-35B Lightning II fighters, allowing these ships—in certain configurations—to function as small aircraft carriers capable of conducting offensive air operations. All of this, combined with the assets already deployed in the region, will generate an even larger force to increase pressure.
In addition to the fighters, the air group also includes V-22B aircraft, AH-1Z Viper attack helicopters, UH-1Y Venom attack/utility helicopters, MH-60S search-and-rescue/utility helicopters, and CH-53E/K Stallion heavy-lift transport helicopters.
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