Which type of mortar did they use - M224, M29A1, M252, M30, or M120? That would give you some idea of what they did. I'm guessing it was the M224 in that type of terrain.
<<The way the M1A1 tanks (M1A2 now I think) fire are much cooler. The tanks actually have computers that take wind samples, barometric pressure, humidity, density of the air, wieght of the round and distance to target and compute the exact firing in less than a second, after that you just pull the trigger. Now, if they made a mortar like that...>>
The Marines are already on it. They have a remote-controlled setup in the works.