*Washington, US – US Navy Submarine test launches four nuclear capablemissile to validate performance. *
US submarine tested four life-extended Trident II D5 missiles to validatetheir performance, the US Navy said in a statement on Friday.
Two tests were conducted by USS Nebraska on Wednesday and Fridayrespectively off the coast of Southern California, the statement said,adding all tests occurred before sunrise, the Xinhua news agency reported.
The primary goal of the tests were “to validate performance expectations ofthe life-extended Trident II strategic weapon system,” the statement said.
The Trident II strategic weapon system, originally designed with a lifespan to 2024, recently underwent a life extension that will keep itoperational through the late 2040s.