Interesting, it appears that the US Navy, from the CNO on down, is not aggressively pushing more DDG-1000 Zumwalt class destroyers.
At one Congressional hearing, when asked what the DDG-1000 brings to the Navy, CNO Adm. Gary Roughead said, “is an introduction of new technologies that will be very important to how we go forward.”
That is not a sterling endorsement of a ship that will be the largest surface combatant to be fielded in a long time, it’s 80% bigger than the Arleigh Burke Class, and a quick Wiki shows that the last hull of its size was built somewhere around 1950.
If you go read the article, it appears that the Navy has no real clue as to what it wants, with fuzzy thinking on anything, whether it be more Burkes, whether the CG(X) should be nuclear powered, LPD landing ships, maritime patrol aircraft, etc.
For some reason, except for carriers and submarines, the Navy seems completely adrift (pun not intended).