Why is The US Building Aluminum Warships?

Ships were historically built from steel, so why did The US start building warships from aluminium? Maybe it’s because aluminium is #NotWhatYouThink! Music: Oceanic Adventure - Bonnie Grace Clearer Views - From Now On Urgent News - Wendel Scherer Fire Storm 3 - Fredrik Ekstrom Arizona - Brendon Moeller-01 Smart Cube - Jobii Sidelined - Dip Diet Evolutionary Plans - Farrell Wooten Footage: Department of Defense, Royal Navy, Austal, Charles Walker, MrRIDE82, National Archives Note: “The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.“