The vault 101 security armor looks a lot like what security in half-life 1 wear.--Meca-dope 12:42, 21 February 2009 (UTC)

I'd say this is more of a coincidence, there's simply not much variation to a blue uniform with a black armor vest. Golan2781 22:42, 21 February 2009 (UTC)

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there's the [HEV suit], and the medic armor.. Xdarkdragonx 04:31, 22 February 2009 (UTC)

And the little tone when you turn on your light--Meca-dope 10:41, 22 February 2009 (UTC)