The (K) Doesn't stand for 1000 or the year 2000 It is a code to deceive the allies during the German tank renaissance in the late 60's and 70's. When they STILL were under the thumb of NATO and not a full member, hiding development of creatures like this. This is part Abrams but all German and where the line went after the shared development split in the early 70's. I almost beat 2 tanks at once with it!!