Bayonet Attack

Can I use the card to move units without attacking? I would be a no for me but I have been told that it is also used in that way. The card should be, in my opinion, only used to move in order to attack and not for moving if a melee combat doesn't follow. Also because it states that if you don't have or don't want to use such units, you can order a unit of your choice. Regards.

there is nothing on the card that requires units to attack, so it seems to me units are not forced to do so. They simply miss out on this opportunity
 

so the card is Bayonet Attack you can move because of that, but rather we move and we don't attack.