ΔE 17.5, loose: different enough that you should pick on purpose. Jenkins Green is a little darker, much more saturated, cooler than Commando Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Jenkins Green is a little darker, much more saturated, cooler than Commando Green.
The same difference applies the other way round: Commando Green is a little lighter, much more muted, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Commando Green on the colour wheel See Jenkins Green on the colour wheel
All matches: Commando Green equivalents · Jenkins Green equivalents