1. A method for differentiating friend from foe and assessing battlefield threats, said method comprising: identifying objects detected in aerial image as friendly units or unknown units based on the reported positions of said friendly units, allowing manual classification of said unknown units as friend, foe, or neutral, identifying objects detected in scope video based on the positions of said friendly units and said unknown units as well as the position and orientation of the scope video camera, presenting the name or rank of said friendly units, indicating the position of and direction to said friendly units and unknown units, presenting a graphical arrow for each said friendly unit and unknown unit, orienting said arrows, positioning said arrows, collapsing said arrows, indicating said classification of said unknown units, and warning a soldier if said unknown units classified as foes have line-of-sight access to said positions of said friendly units.