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During a recent discussion with several friends at work about various SHTF scenarios, I wondered about space blankets. If you happen to be in a situation where you and possibly your family or friends are being pursued by an enemy w/ FLIR or other heat-sensing gear, would wrapping up in a space blanket be enough to conceal your heat signature? I figure someone here that is a lot smarter than me would know.
I have 2 for each member of my family plus a couple of extras in the BOB for the obvious reason. 
Tim
Tim