The ship is identified by the Post as the Ponce, an Amphibious Assault Ship, more akin to a combined aircraft carrier & troop ship. It has a big flight deck. A battleship is a specific kind of ship with lots of huge artillery-like capacity, and little aircraft capacity (think dreadnought).
Woman moderately wounded by firebomb thrown at her car in north J'lem (Haaretz)
from the article: U.S. plans to send 'floating commando base' to Mideast, documents show