FIELD ARTILLERY: Big Shots of the Battlefield is one of the SuperTroops series of posters depicting U.S. soldiers as super-heroes. A 13" X 19" digital poster in the SuperTroops series, depicting U.S. soldiers as super-heroes. FIELD ARTILLERY: Big Shots of the Battlefield features a cannon-cocking cyborg blasting away at the enemy's position, his aim adjusted by the Fire Direction officer and her trusty trajectory computer.