USMC sleep system has Coyote brown shell, with an insect netting component for face protection. No knowledge if it will interface with Army-issued MSS components. Insect netting appears to be a useful item, but no personal info.
With Biden Admin in control, look for military budgets to be decreased Consider it inevitable, if only to pay for social programs. Army and USMC will do well to collaborate on items common to both Branches.
Time is past for different packs, uniforms, boots, and many other items. Army and USMC need to collaborate on common items, because there is value in volume-buying, which reduces the effects of inevitable budget cuts For example: If no added-cost, add USMC EGA logo to mf'd items. If added-cost, have recruits add EGA logo via stencil. Time to think outside the box, and prepare for the inevitable budget cuts.