The Marine Corps' stand-in force is a forward presence that constantly collects information, watches the enemy and stays "in their face the whole time," according to Marine Corps Commandant Gen. David Berger. Last December, the Marine Corps released its stand-in force concept , which has begun to take shape in Europe and the Indo-Pacific. “The most valuable thing they do [might not be] killing something, but actually collecting or preventing an adversary from collecting against us or it may be...