Infantry Drills

6-31: Odd Number System

Previous: 6-30: Challenge and Password Outside of Friendly Lines

6-31. The leader specifies an odd number. The challenge can be any number less than the specified number. The password will be the number that must be added to it to equal the specified number, for example, the number is 9, the challenge is 4, and the password is 5.

Next: 6-32: Running Password

Go Back To: U.S. Army FM 3-21.8: The Infantry Rifle Platoon and Squad