Naval ensign of Singapore. Generated in Inkscape, based on Image:Flag of Singapore.svg.

Though the 1967 law mandates a 1:2 ratio, the modern navy utilizes a 2:3 ratio, following the Singapore flag.
https://trademarks.justia.com/890/00/republic-of-singapore-navy-rsn-flag-89000966.html trademark application
Republic of Singapore Navy.  Vectorised by User:Denelson83.