JOINT BASE ELMENDORF-RICHARDSON, Alaska -- Military members and affiliates participate in an intramural game of water polo on inner tubes at the Buckner Physical Fitness Center on Joint Base Elmendorf-Richardson, Alaska, April 12, 2018. The fitness center offers a total of 18 intramural sports throughout the year, open to military members, family members, Department of Defense civilians and affiliates 18 years and older.