10 April 1833 Green Uniform #OTD in 1833, President Andrew Jackson orders that green and buff replace blue and scarlet as the colors of the Marine Corps uniform. A rite of spring: Marines roll up their sleeves as warmer weather arrives Stars and Stripes This is why some Marines wear the 'French Fourragere,' and some don't Did I put the French Fourragere on correctly? : r USMC Aiguillette Wikipedia