high risk special operations skill, mastering this skill allows them to infiltrate and operate behind enemy lines without ever needing to land. >> you see them dropping out of the helicopter they did not have to start swimming, they come over to the next enforcement of this assessment. the combat water survival or see wsa is a challenge all inspiring rangers must complete on day one of the ranger assessment program or immediately sent back to their home unit. one team member will begin the crime of the 40-foot lotto and across a log walk crossing the beam the ranger crawls to the ranger, to catch the tab to drop to the water below. he climbs out, picks up a trolley and takes off running as fast as he can. as a passes the finish line he