BEIJING — Engineers in Russia believe the Zarya cargo module, the oldest pressurized module on the International Space Station (ISS), can last in orbit until about 2028 — twice its design service life — despite microcracking in the hull during pressure and loads cycling of a test article on the ground. Khrunichev State Research & Production Space Center has conducted two years of tests on the engineering hardware used to qualify the flight-version Zarya for its 15-year guaranteed ...


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