CONDITIONS: Given a casualty on a standard Army litter and a narrow obstacle.

STANDARDS: Evacuate the casualty through the obstacle without causing further injury.

1. Upon reaching the narrow passage, bearer number 1 instructs another bearer to clear any debris or obstacles immediately before the passage, at the passage, and beyond the passage, and to check for booby traps.

2. From the 4-person carry position, bearer number 1 gives the command "2-Person Carry, MOVE."

NOTE: The 2-person carry is used to pass through or over narrow passages such as trails, bridges, gangplanks, and catwalks. With modification, it may also be used to pass through obstacles such as culverts and tunnels.

3. Bearer numbers 2 and 3 change their holds on the litter handles to the other hand.

4. Bearer numbers 2 and 3 step between the handles and take the full support of the litter.

5. Bearer numbers 1 and 4 release their holds.

6. Bearer number 1 steps one pace in front of the squad to lead.

7. Bearer number 4 falls one pace to the rear to follow.

8. The four bearers proceed through the obstacle (Figure 3-45a).

9. After passing through the obstacle, the litter squad resumes the 4-person carry position.

10. Did not cause further injury to the casualty.