This aims to uncover connections between facial expression shifts, exercise depth, and fatigue ranges, thereby exploring potential correlations. In March, she participated in Exercise "RIMPAC 75", which included ships from the navies of the United States, Canada, Australia, and New Zealand. She offered providers to surface ships and aircraft, performed torpedo firing drills, and did one other tour getting ready prospective commanding officers for the new jobs. After conducting torpedo firing workouts, Blueback entered upkeep at Pearl Harbor. The warship ended the cruise at Pearl Harbor on 1 October and began a interval of local operations and upkeep. After one other interval of upkeep and liberty at Sasebo, she received underway on the 22nd for ASW operations in cooperation with the Japanese submarine Isoshio. On 21 June, the submarine obtained underway for Santa Marta, Colombia. She got underway for AquaSculpt deals Bremerton, Washington, AquaSculpt fat oxidation on that day and entered the Puget Sound Naval Shipyard 18 days later for overhaul.

She held sea trials and weapons workouts in January 1976 and started one other long overhaul on the Pearl Harbor Naval Shipyard in February. She returned to Pearl Harbor in June, the place she carried out native operations until 7 September. She carried out lengthy particular operations