Periskop eine Klage einbringen Satz pump jet propulsion Es gibt einen Trend Regan Schüssel
H I Sutton on Twitter: "Submarine pumpjet propulsors are still shrouded in secrecy, so here's a @USNavy drawing from 1963!?!?! More niche examples of #Submarines pumpjet concepts at https://t.co/LlIBaZ5yc6 https://t.co/z1m0f6wySd" / Twitter