10 USC 3750 - Soldiers Medal: award; limitations
(a)
(1) The President may award a decoration called the Soldiers Medal, of appropriate design with accompanying ribbon, to any person who, while serving in any capacity with the Army, distinguishes himself by heroism not involving actual conflict with an enemy.
(b) Not more than one Soldiers Medal may be awarded to a person. However, for each succeeding act that would otherwise justify the award of such a medal, the President may award a suitable bar or other device to be worn as he directs.