Submarines are safer than airplanes. Proof in the fact is there are more airplanes in the water than submarines in the air!
Response from a junior (very junior) sonar watchstander
"Sonar - Conn, Report all contacts in preparation in coming to periscope depth"
"Conn - Sonar, I hold no contacts - how 'bout you..?"
"Sonar - Conn, Supervisor to the Conn"
QMOW: "Navigator we're on a course for sea mounts."
NAV: "Exec we're heading for shallow water."
EXEC: " Captain, we're running out of water."
CAPT: "What, no water, ...very well, secure the showers."