a black submarine with 320 on its conning tower explores the calm, dark depths of the ocean in a stunning unreal engine 5

marin ship submarine metal boat naval army weapon armoring war fight wallpaper battle gun military sailing nuclear floating transport deep sea ocean 320 underwater exploration vessel aquatic technology realistic rendering unreal engine calm waters marine graphics navigation depths black adventure life immersion artistry environment submerged oceanography scientific research heritage structure machinery design craft submarines engineering shadow light surface conning tower explores dark stunning navigates illuminated soft lights surrounded majestic formations