Is that Mr. Death, or an Ewok? (update: It's a Jawa!).
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That's, maybe, a tad inappropriate for an official government logo, yes?
Though, it's not nearly as silly as the CIA's War on Terror logo during the Bush administration (see below).
Via Wired national security writer Spencer Ackerman.
UPDATE: It's not an official Navy logo, it's for a Navy development office.
Image may be NSFW.
Clik here to view.
Image may be NSFW.
Clik here to view.
The CIA's War on Terror logo, 2007.