Add Yahoo as a preferred source to see more of our stories on Google. An A-10 Thunderbolt II sits on the ramp at Bagram Air Field, Afghanistan, April 20, 2014.U.S. Air Force/Senior Master Sgt. Gary J.

Here’s What You Need To Remember: The T-90’s most useful feature has actually proven to be its superior optics and fire control computer compared to earlier Russian tanks. “T-90s performed well when ...