Always remember to shred your ship when done with it

We've all seen the hapless user who sells their computer on eBay without wiping the hard drive.

How about selling a Coast Guard patrol board to the North Koreans without wiping the navigation system.  :-)

What else did they forget to sanitize?

http://www.theregister.co.uk/2013/04/29/japan_coast_guard_forgets_wipe_data_norks/

There's a reason for process and rules, including that annoying check sheet for hardware disposal.