Mark 48 torpedo
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The Mark 48 and its improved Advanced Capability (ADCAP) variant are American heavyweight submarine-launched torpedoes. They were designed to sink deep-diving nuclear-powered submarines and high-performance surface ships.
Technicians perform maintenance on a Mark 48 torpedo in 1982.
Collins-class submarine
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The Collins-class submarines are Australian-built diesel-electric submarines operated by the Royal Australian Navy (RAN). The Collins class takes its name from Australian Vice Admiral John Augustine Collins; each of the six submarines is named after significant RAN personnel who distinguished themselves in action during World War II. The six vessels were the first submarines built in Australia, prompting widespread improvements in Australian industry and delivering a sovereign sustainment/maintenance capability.
HMAS Rankin, sixth submarine of the Collins class, underway in 2006
ROKS Lee Sunsin, a South Korean submarine based on the IKL/HDW Type 209 design. The Type 209 unsuccessfully competed against the Kockums Type 471 for selection as the basis of the Collins class
The Australian Submarine Corporation construction facility, where the six submarines were assembled
U.S. Secretary of the Navy Donald C. Winter observing the Collins Weapon System Trainer Facility at HMAS Stirling in August 2007