As the first SLEP LCAC reaches its 30 years of design service in 2015 , they will gradually be retired .
A number of LCACs are currently under development and testing at the Naval Support Activity Panama City in Panama City , Florida .
As the first LCACs   reaches LCACs ' 30 years of design service in 2015 , they will gradually be retired .
A number of LCACs are currently under development and testing at the Naval Support Activity Panama City in Panama City , Florida .