What is Recon Armor in Halo 3 and why does everyone want it?

I am so sick of reading "I want recon armor bungie!" For some reason it just annoys me and even more surprising, I don't know what it is. I used to be a huge halo 3 fan before cod4 (not because of the storyline but because I was good in multiplayer). I am assuming that Recon Armor is somehow... show more I am so sick of reading "I want recon armor bungie!" For some reason it just annoys me and even more surprising, I don't know what it is. I used to be a huge halo 3 fan before cod4 (not because of the storyline but because I was good in multiplayer). I am assuming that Recon Armor is somehow unlockable...so why do all the H3 fans keep bitching about it? Can someone please explain what Recon Armor is and why it is so important to the Halo 3 community.
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