
Among options eyed by the U.S. Coast Guard for a replacement of the service's Airbus MH-65 Dolphin--first fielded in 1984--are the SB-1 Defiant prototype under development for the U.S. Army by Boeing [BA] and Sikorsky [LMT], the Leonardo AW139 , and some variant of the MH-60 by Sikorsky, according to defense industry sources. "Something has to happen by 2024," said one defense industry source. The Coast Guard has 98 MH-65s in service. While the MH-65 was to phase out in…