Maybe a self-sealing or anti-puncturing liferaft. Maybe with a build-in electronic shark-repellant?? <img src="/images/graemlins/confused.gif" alt="" />

Or at least one with a decend SEP in it.
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''It's time for Plan B...'' ''We have a Plan B?'' ''No, but it's time for one.'' -Stargate SG-1