What command is given to initiate the movement in MMD 1?

The command given to initiate movement in the Movement to Contact Drill (MMD) 1 is "Go." This command serves as a clear and decisive signal for all personnel involved in the drill to begin their movement. It is simple and straightforward, allowing for immediate action without the need for additional context or complexity.

Using "Go" effectively communicates urgency and readiness, which are crucial in a military environment, especially when conducting drills designed to improve physical readiness and unit cohesion. The other options, while they may seem viable, do not capture the intended purpose of initiating movement as succinctly as "Go." Each of these alternatives may imply action but lack the precise command structure that is standard in military training.