sentences:  For the remainder of the year "Opportune" operated along the east coast visiting the Canal Zone in June and in August she returned to Cape Canaveral for the unmanned Apollo 202 launch.Into 1970 "Opportune" continued to serve the Atlantic Fleet.Opportune assisted with the recovery of the Space Shuttle Challenger (destroyed of the coast of Florida in 1986) and was later deployed in support of Operation Just Cause to keep the Panama Canal open and operating at normal capacity.