U.S. Navy SEALs train with Special Boat Team 12 on the proper techniques of how to board gas and oil platforms during the SEALs gas and oil platform training cycle. SEALs conduct these evolutions to hone their various maritime operations skills.
Scaling a moving ladder in rough seas, and most probably at night if we’re talking about a real-world operation, requires focus and peak physical strength and muscular endurance. Pull-ups are a great way to test and develop those attributes. That is why SEAL, and other Special Operations, instructors place so much emphasis on them during Basic Underwater Demolition/SEAL training (BUD/S) or the other SOF selections.