It is cool to change them, even for the fun of it. I stuck with my VIIB for a long time, then bought an IXB. Now (43) I'm in my XXI. This is a REAL sub, with all the bugs & stuff.
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<<... No cap\'n, sir, the attack scope
can\'t go beyond 6x magnification, so could we lower the scope and continue the mission?
The Playboy photo session is almost over on that boat we\'ve been trailing for almost 3 hours>>