Princeps Games 'Fog of War' System for Board Wargames

About Iron Squad, from BoardGameGeek:

A squad level WW2 wargame using a revolutionary Princeps Games 'Fog of War' System (PGFOWS). Iron Squad is a game for 2 players, where each player chooses 4 out of 7 units to complete the mission. Each unit has it's own movement, health, accuracy, etc. The game is set in the summer of 1944 right before the D-Day landing. Your goal, as the US player is to gather the intelligence needed to make the landings successful, while the German player must not let this happen. The game uses PGFOWS which tutorial you can find in the links section. -description from the publisher