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

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

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

2. From the 4-person carry position, bearer number 1 gives the command "Litter Post, CARRY."

3. Bearer number 2 releases his or her grasp of the front handles and crosses the obstacle, maintaining a low silhouette (Figure 3-42b).

4. Bearer numbers 1, 3, and 4 advance the litter until bearer number 2 can resume his or her grip of the front handles.

5. The litter is rested on the obstacle with the stirrups placed on the side of the obstacle in the direction of travel.

6. Bearer numbers 2 and 3 support the litter by the front and rear handles, respectively.

7. Bearer numbers 1 and 4 cross the obstacle, maintaining a low silhouette.

8. After crossing the obstacle, bearer numbers 1 and 4 grasps the litter poles near the rear handles held by bearer number 3.

9. Bearer number 3 releases his or her grip of the rear handles and crosses the obstacle, maintaining a low silhouette (Figure 3-42c).

10. After crossing the obstacle, bearer number 3 resumes his or her grasp on the rear handles.

11. Bearer numbers 1 and 4 adjust the position of their holds.

12. All four bearers resume the 4-person carry.

13. Did not cause further injury to the casualty.