Singaporean air force ensign
This file was derived from: Roundel of Singapore (1973–1990).svg: 

Roundel of Singapore (1973–1990).svg:
File:RSAF Roundel 1973-1990.svg:
Flag_of_Singapore.svg:
derivative work: Fry1989 eh?  03:50, 6 February 2012 (UTC)