Game play question.

[Big Ivan]

Hi zap and Ed!

To me it makes sense to place the smoke in the hex your unit will move into. I understand the enemy unit that can see you will see you move into the smoke hex possibly triggering op fire. What you don't know is the other empty hexes that have LOS to your placed smoke hex may have hidden units that you can't see until you move because you triggered op fire. Remember op fire is range dependent none-short-medium-long. So in moving you may trigger additional op fire from an empty hex because you closed the range and/or came into the LOS of one of the empty hexes. 

Having the smoke protection is the better play IMO.