Support going forward Support needed

T Target Target

[Illustration: TWO-ARM SEMAPHORE CODE]

ARM SIGNALS

The following arm signals are prescribed. In making signals either arm
may be used. Officers who receive signals on the firing line "repeat
back" at once to prevent misunderstanding.

[Illustration: Forward]

Forward, MARCH. Carry the hand to the shoulder; straighten and hold the
arm horizontally, thrusting it in the direction of march.

This signal is also used to execute quick time from double time.

[Illustration: Halt: Arm held stationary. Double Time: Arm moved up and
down several times.]

HALT. Carry the hand to the shoulder. Thrust the hand upward and hold
the arm vertically.

Double time, MARCH. Carry the hand to the shoulder; rapidly thrust the
hand upward the full extent of the arm several times.

[Illustration: Squads Right]

Squads right, MARCH. Raise the arm laterally until horizontal; carry it
to a vertical position above the head and swing it several times between
the vertical and horizontal positions.

[Illustration: Squads Left]

Squads left, MARCH. Raise the arm laterally until horizontal; carry it
downward to the side and swing it several times between the downward and
horizontal positions.

[Illustration: To the rear

Squads Right About]

Squads right about, MARCH (if in close order) or, To the rear, MARCH (if
in skirmish line). Extend the arm vertically above the head; carry it
laterally downward to the side, and swing it several times between the
vertical and downward positions.

[Illustration: Change direction]

Change direction or Column right (left), MARCH. The hand on the side
toward which the change of direction is to be made is carried across the
body to the opposite shoulder, forearm horizontal; then swing in a
horizontal plane, arm extended, pointing in the new direction.

[Illustration: As Skirmishers]

As skirmishers, MARCH. Raise both arms laterally until horizontal.

[Illustration: As Skirmishers Guide Center]

As skirmishers, guide center, MARCH. Raise both arms laterally until
horizontal; swing both simultaneously upward until vertical, and return
to the horizontal; repeat several times.

[Illustration: As Skirmishers Guide right]

As skirmishers, guide right (left), MARCH. Raise both arms laterally
until horizontal; hold the arm on the side of the guide steadily in the
horizontal positio