Which of the following is NOT a standard marching step?

• A. 15 inch step
• B. 30 inch step (120 steps per minute)
• C. 30 inch double time (180 steps per minute)
• D. 18 inch step

Answer: (D)

In marching, steps are defined by fixed lengths and cadences to keep formation uniform. A 30-inch step is the standard full step used at quick time (about 120 steps per minute). When moving in double time, the cadence increases to 180 steps per minute, often with the same 30-inch step. A 15-inch step is used in close-order or control marching where troops must stay tightly spaced. An 18-inch step, however, isn’t part of the standard drill repertoire, so it wouldn’t align with the established cadences and spacing. That’s why it’s the one not considered a standard marching step.