Back in the days when Discovery was a high quality program....
[ame="http://www.youtube.com/watch?v=kAeNXiY1lPo"]YouTube - Extreme Machines - Tanks 1/5[/ame]
[ame="http://www.youtube.com/watch?v=VrUDYMz_UiQ"]YouTube - Extreme Machines - Tanks 2/5[/ame]
[ame="http://www.youtube.com/watch?v=HEuvzmkwLE0"]YouTube - Extreme Machines - Tanks 3/5[/ame]
[ame="http://www.youtube.com/watch?v=NiZVj4apmQ0"]YouTube - Extreme Machines - Tanks 4/5[/ame]
[ame="http://www.youtube.com/watch?v=9OpRxaLq1Fc"]YouTube - Extreme Machines - Tanks 5/5[/ame]
[ame="http://www.youtube.com/watch?v=kAeNXiY1lPo"]YouTube - Extreme Machines - Tanks 1/5[/ame]
[ame="http://www.youtube.com/watch?v=VrUDYMz_UiQ"]YouTube - Extreme Machines - Tanks 2/5[/ame]
[ame="http://www.youtube.com/watch?v=HEuvzmkwLE0"]YouTube - Extreme Machines - Tanks 3/5[/ame]
[ame="http://www.youtube.com/watch?v=NiZVj4apmQ0"]YouTube - Extreme Machines - Tanks 4/5[/ame]
[ame="http://www.youtube.com/watch?v=9OpRxaLq1Fc"]YouTube - Extreme Machines - Tanks 5/5[/ame]