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xkcd #3169: EPIRBs
(imgs.xkcd.com)
Title text:
'Oh no, the box is drifting out into the harbor!' 'Yeah, I wouldn't worry about losing it.'
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3169/
Nautical crackheads will strip beacons right off the waves. In broad daylight.