And, while you're at it, don't forget your flask, survival suit, ice axe and crampons.

BBC: Chick Young's view

Aleesuk is busily sewing a snow valence on the tent and Ozzie just found some divers gloves for my survival suit.

BBC: Explorer set for historic Arctic adventure

The BBC's Nick Bryant in Sydney says Australian authorities were able to drop food, water and a survival suit to the 63-year-old, but his location was too remote for a helicopter rescue.

BBC: Orion cruise liner

While the 13 other crew members, including Groves and Cleveland, made it safely to two life rafts, Svendsen spent three hours floating alone in his survival suit before Coast Guard rescuers saw his emergency beacon.

CNN: Bounty crew calm, joking after Hurricane Sandy nightmare

To ensure his own survival, Baumgartner was equipped with a fully pressurized suit.

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