 The modernized A-4SU Super Skyhawks were received by 143 Squadron first, followed by 142 and 145 Squadron of the RSAF from 1989 onwards.The type was also operated by the RSAF Black Knights aerobatic display team for precision aerial manoeuvers from 1990 to 2000.After 31 years of operations, the RSAF officially withdrew its fleet of A-4SU Super Skyhawks from operational combat service in Singapore on 31 March 2005.