It depends on when you want your figures to depict. There aren't really many digital uniforms used by the US Military.
USMC MARPAT digital uniforms were being fielded in 2003 about the time of the invasion of Iraq. Marines could be seen in either Desert MARPAT or 3-color DCUs. The MARPAt uniforms have upper sleeve and lower calf pockets. DCUs do not have these.
Desert MARPAT
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3-color DCU
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There is also Woodland MARPAT
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For the Army, we were a little slower on the digital ACUs (ACU is actually the cut, the camo pattern is called UCP - Universal Camo Pattern). They were first worn by Stryker Soldiers going into Iraq in late '05 and early '06. On April 30 '08, all other uniforms were declared obsolete and only the digital ACUs could be worn past that date. ACUs also have the upper arm and lower calf pockets as well.
UCP ACUs
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At about the same time as the UCPs were being fielded, the Multi-Cam pattern was being fielded for A'stan only and are still worn there today. They are not a digital pattern, closer to older Woodland camo, but are current.
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The USN and USAF have their goofy versions too...'nuf said.
USAF Tuger Stripe Air Battle Uniform on old-cut BDUs, with green boots. What the heck!??
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And so the Navy blends in with the waves while on ship...