 During World War II , New Jersey shelled targets on Guam and Okinawa , and screened aircraft carriers conducting raids in the Marshall Islands . During the Korean War , she was involved in raids up and down the North Korean coast , after which she was decommissioned into the United States Navy reserve fleets , better known as the " mothball fleet " . She was briefly reactivated in 1968 and sent to Vietnam to support US troops before returning to the mothball fleet in 1969 . Reactivated once more in the 1980s as part of the 600 @-@ ship Navy program , New Jersey was modernized to carry missiles and recommissioned for service . In 1983 , she participated in US operations during the Lebanese Civil War . 
