ΔE 8.4, close: similar, with a visible difference side by side. Mid Khaki Drill is a little darker, cooler than US Desert Tan.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Mid Khaki Drill is a little darker, cooler than US Desert Tan.
The same difference applies the other way round: US Desert Tan is a little lighter, 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 US Desert Tan on the colour wheel See Mid Khaki Drill on the colour wheel
All matches: US Desert Tan equivalents · Mid Khaki Drill equivalents