A few suggestions:

HD aluminium foil, stainless steel wire, sewing kit, tinder, if nessicary: water filter/tabs, chap-stick, sunscreen,
insect-reppelant, fresnel-lens, some food/snacks, shade-hat and a candle.

Also beef up your FAK: add a triangulair bandage and some adhesive tape.
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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