When transitioning from Right Shoulder Arms to Port Arms, on which foot is the command of execution given?

When transitioning from Right Shoulder Arms to Port Arms, the command of execution is given on the left foot. This is important because executing the movement on the left foot allows for a smoother and more controlled transition into the Port Arms position, which is essential for maintaining proper military discipline and coordination during drill movements.

In military drill and ceremony, executing movements on specific feet helps to establish rhythm and synchronize troop movements. Transitioning on the left foot facilitates a more balanced stance as the weapon is transitioned, ensuring that servicemembers can maintain readiness while performing these actions. This principle is consistent across various drill commands, where specific feet are designated for different transitions to maintain uniformity and effectiveness in troop movements.