After the 1991 Gulf War, the Abrams tank was upgraded to the M1A2 model and deployed to Bosnia and throughout the Middle East. The tank has been effective due to its firing accuracy, strong armored shell, and durability in harsh desert environments. The current version of the tank is equipped with weapons that include the M256 smoothbone gun, a 50 caliber M2HB machine gun; 7.62 millimeter M240 machine gun; and smoke grenade launchers. The tank also uses gas turbine engines.?List some distinct characteristics of intelligent people