** Shares of Huntington Ingalls HII.N, America's largest military shipbuilder, rises 4.4% to $368.99 premarket
** U.S. President Trump on Monday announced plans for a new "Trump class" of battleships, marking the start of an expanded naval buildup
** Trump said the new battleships would be larger, faster and "100 times more powerful" than any previously built
** The program will begin with two vessels and is expected to grow to between 20 and 25 ships, Trump said, adding that he will be personally involved in the designs
** HII shares have risen 87% YTD after 27% slump in 2024
(Reporting by Medha Singh)
((medha.singh@thomsonreuters.com))