Final answer:
The correct command of execution is either Right Face, Right Turn March, or Right Flank.
Step-by-step explanation:
A. Right Face is the command of execution in which the command is given to the right foot and executed while rotating 90 degrees to the right.
B. Right Turn March is the command of execution in which the command is given to the right foot and executed while rotating 90 degrees to the right while marching.
C. Right Flank is the command of execution in which the command is given to the right foot and executed while moving to the right direction without changing the facing direction.
D. Right Direction March is not a command used in the military drill.