I think that you guys are right, the knife in the OP is a Gerber. And I have seen Gibbs carry a ZT302 which has the sand color handle. They are a pretty nice knife, but I think I like the ZT308 better. I have a couple of them. When the 300 series (designed by Ken Onion) went out of production and Gibbs had shown off his 302 on the show the price went crazy and I had already bought a couple of the 302's but then was able to pick up a few of the 303's with the black handle. The 301 had the army green handle. There were also some custom and factory made replacement scales made for these.
In one episode of NCIS I think Gibbs gives his ZT302 to the boss who kills the bad guy with it.
Remember Gibbs' rule number nine - Always carry a knife.
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