President Donald Trump on Monday at his Mar-a-Lago estate in Florida pledged to build 20 to 25 gun and missile-equipped battleships with an objective to build each "100 times more powerful than the Iowa class" as the anchors of a "Golden Fleet." The Navy decommissioned the last of the Iowa-class, the USS Missouri (BB-63), in 1992. The Navy would build two to 10 such Trump-class battleships initially, the first of which would be the USS Defiant, fielded in the next…