Rear Captains: Column half left, March, Column half right March.
Taking 5 paces from the flank of the company last on line and allowing
the company to pass by him until the rear guide reaches him, Captain
commands: Squads left, March, Company Halt, Left Dress, Front.

Major: _Close on first company_ (Never any other).

First Captain: Company.

Rear Captains: Continue to march (if halted, forward).

Major: _March_.

First Captain: Halt.

Rear Captains: As each successive company closes to 8 paces from the
company immediately in front, the Captain commands: Company Halt.

Major: _Extend on fourth company._ (Never any other.)

First Captain: Continue to march (if halted, forward).

Rear Captains: Company.

Major: _March_.

Rear Captains: Halt. Then as each company in rear of the leading
company gets the proper distance (company front plus 5 paces) the
Captain commands: Forward March.