There is a way to lock Troops currently in the game.
Click on Barracks, Click Troops, Click the blue [?] in the upper right of your selected troop:
Click the lock symbol above the troop (white is locked):
There is a way to lock Troops currently in the game.
Click on Barracks, Click Troops, Click the blue [?] in the upper right of your selected troop:
Click the lock symbol above the troop (white is locked):