KETTLEBELL TRAINING Navy Petty Officer 3rd Class Paul Osis performs underwater kettlebell walks to increase lung power and endurance at Scott Pool on Joint Base Pearl Harbor-Hickam, Hawaii, Feb. 27, 2014. Osis is a search and rescue swimmer assigned to the USS O'Kane. SHARE IMAGE: Download Image: Full Size (12.75823 MB) Tags: Week In Photos, Week In Photos Photo By: VIRIN: 498202-M-OTM41-584.jpg Photo Gallery