Why Depth Charges Don’t Have to Touch a Submarine to Sink It March 20, 2020 Unipro2013main History, Imperial Japanese Navy, Naval History, Navy, US Navy USS SilversidesIt’s 1942 and the USS Silversides, a U.S. submarine submerged in the Pacific, is frantically trying to dodge depth charges dropped by a Japanese warship. Even a near miss could be catastrophic. Credit to : Smithsonian Channel