Just for the sake of facts, in the Starcraft universe women can be Marines as well as Medics (which also have massive armor suits), just as men can also be ghosts.
ALSO Mr. Jack is a way cool dude, a super talented artist and a friend of mine. But I'm not Mr. Jack. Mr. Jack's Real name is Luke Mancini. My name is John Polidora and this is an image I CREATED for Blizzard Entertainment, for whom I work as a full-time illustrator.