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This article is about the G.I. Joe astronaut. For the Autobot Micromaster, see Countdown.
Countdown is a member of G.I. Joe from the Generation One continuity family.

Countdown, a.k.a. David D. Dubosky, is a genius engineer, a chess master, and a friggin' astronaut. Foremost among his many skills, however, is his ability to bore his companions to tears.

Space missions with him must be tons of fun.

FictionEdit

Devil's Due G.I. Joe vs. the Transformers continuityEdit

Countdown was one of the members of G.I. Joe who embarked on a Joe Colton-led mission to Unicron's inert body in order to police its surviving inhabitants. Black Horizon Part 2

External linksEdit

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