That Chieftain pic brings back memories... I used to command one of those in Germany in the 80's, then went back to the Recce side with Fox, Scorpion and Scimitar with 5 Airborne Brigade in the UK.
Very good, a real tankie! For myself, I never got beyond VPK Landrovers, the occasional Pig, the even more occasional Shoreland, and later, various RUC armoured landies (of which the Simba was the most impressive). Sadly, this is as close as I ever got to a real Chieftain, in the RAC Tank Museum...