M60A3 TTS Patton

The M60A3 TTS was a late Cold War refinement of the M60 main battle tank series. The M60 itself evolved from the M48 Patton lineage but added a 105 mm gun and improvements that made it the U.S. Army's principal tank before the M1 Abrams. The TTS designation refers to the Tank Thermal Sight package, which gave crews a much stronger night and poor-weather engagement capability.

The M60A3 TTS retained the four-crew layout, diesel engine, and 105 mm M68 gun of the M60 family, but its sighting and fire-control upgrades made it more effective in low visibility. The tank did not match the Abrams in protection or mobility, yet it remained a credible gun tank with familiar logistics, abundant ammunition, and proven maintainability. The thermal sight was the feature that most clearly separated TTS vehicles from earlier M60A3s.

M60A3 TTS tanks served with U.S. active, reserve, and National Guard units during the transition to the Abrams, and large numbers continued with allied armies. Many countries later rebuilt or upgraded their M60 fleets with new armor, engines, fire-control systems, and weapons. This long tail of service makes the M60A3 TTS important as both a U.S. Cold War tank and a global modernization platform.