Which of the following is the command given six paces past the reviewing officer after executing eyes right on the march?

The command given six paces past the reviewing officer after executing "eyes right" on the march is "Ready, front." This command is essential for ensuring that the formation transitions back to the forward position after the saluting maneuver.

When personnel execute "eyes right," they turn their heads to the right to salute the reviewing officer, demonstrating respect and discipline. Once they've passed the officer and completed this action, they must refocus and align back with the forward march. The command "Ready, front" signals them to shift their gaze back to the front while preparing to continue marching in formation.

This command is critical for maintaining proper alignment and ensuring cohesion within the unit as they proceed past the reviewing officer, highlighting the importance of discipline and organization in military formations. Other commands, while important in different contexts, do not appropriately fit this specific sequence in the marching drill.