The original C - 2A aircraft were overhauled to extend their operational life in 1973 .
The C - 2 replaced the piston - engined Grumman C - 1 Trader in the COD role .
The original C - 2     aircraft were overhauled to extend their operational life in 1973 .
The C - 2 replaced the piston - engined Grumman C - 1 Trader in the COD role .