Trainer Wally Ross attaches a special harness to porpoise 'Tuffy', trained at the Naval Missile Center, Point Magu, California. Instruments attached to the harness are designed to measure Tuffy's heartbeat, respiration, and temperature durin
Categories: Animals on Board
 
 
Thank you to the Mario Family Foundation for enabling the digitization of the U.S. Naval Institute’s Photo Archive. The physical photos in the Photo Archive are stored in the Mildred M. Mario Photo Archive Room located at the U.S. Naval Institute’s Headquarters in Annapolis, MD.

©2025 U.S. NAVAL INSTITUTE