In 2327, while awaiting his first deep space assignment with friends at Starbase Earhart, then Ensign Jean-Luc Picard was stabbed through the back with a Nausicaan sword while visiting the Bonestell Recreation Facility. The attack damaged his heart so severely that it had to be replaced with an artificial heart. After having taken Picard back to relive that day, Q referred to the incident as an "unfortunate encounter" with the weapon. (TNG: "Tapestry" )