US deploys amphibious ships to Middle East amid Iran tensions, explaining vessel differences

In a move to bolster its presence in the Middle East amid tensions with Iran, the U.S. military has dispatched several amphibious warfare ships. Among them are the USS Boxer (LHD-4), a Wasp-class amphibious assault ship, the USS Portland (LPD-27), a San Antonio-class amphibious transport dock, and the USS Comstock (LSD-45), a Whidbey Island-class dock landing ship.

The article delves into the distinctions between these naval assets, clarifying the meaning behind their designations. LHD ships, like the Boxer, feature a full-length flight deck and a well deck, enabling both air operations and amphibious landings using landing craft and vehicles. LHA ships, such as the USS Tripoli (LHA-7) already in the region, are heavily focused on aviation, functioning almost as small aircraft carriers but lacking a well deck for landing craft.

LPD vessels, exemplified by the Portland, are designed to transport Marines, vehicles, and supplies. They possess flight decks, hangars, and well decks, supporting aircraft like the MV-22 Osprey and CH-53 helicopters, and facilitating troop deployment via landing craft. In contrast, the older LSD class, like the Comstock, prioritizes a large well deck for carrying multiple landing craft and vehicles, with more limited aviation capabilities, aligning more closely with a traditional amphibious transport role.

Comparing these to Taiwan's naval assets, the Yu Shan (LPD) is highlighted as a multi-role vessel capable of amphibious transport, island reinforcement, and disaster relief. The Hsu Hai, an older LSD-class ship formerly of the U.S. Navy, emphasizes its large well deck for landing craft and vehicles, similar to the Comstock, with less emphasis on aviation operations.