Tomahawk is also getting its anti-ship mojo back:
The U.S. Navy is equipping its destroyers with a new anti-ship version of the Tomahawk missile, the Maritime Strike Tomahawk or Block Va) has been modified to target moving vessels at sea.
www.overtdefense.com
Also, Standard, as well as pretty much all other U.S. Naval SAMs, can also be used against ships:
"Similar to its precursor—the SM-2—the SM-6 also has limited offensive capabilities, and, when equipped with GPS, can carry out strikes on land and sea targets at a range of 200 miles. This new anti-ship capability is aimed at countering the surface strike threat posed by Chinese naval vessels with long-range anti-ship cruise missiles and would force them to stand off at ranges more favorable to U.S. aircraft carriers."
"The Pentagon’s 2017 budget includes a $2.9 billion request for the SM-6, which Defense Department officials recently revealed will be gaining a supersonic anti-ship capability. This SM-6 upgrade was discussed by Secretary of Defense Ash Carter, who stated that, “We’re modifying the SM-6 so that in addition to missile defense, it can also target enemy ships at sea at very long ranges.” The missile first engaged a surface target in 2016 during a test demonstration."
See:
The Standard Missile-6 (SM-6)—also known as the RIM-174—retains the Standard Missile airframe and propulsion elements and incorporates the advanced...
missiledefenseadvocacy.org
There's also the "Sea Dragon" program:
Details surrounding the Navy's Sea Dragon program remain scarce, but there are some distinct possibilities.
www.twz.com