An All-Marine Bulletin signed by Robert B. Neller, General, U.S. Marine Corps, Commandant of the Marine Corps, on December 8, 2016, prescribed a seasonal uniform change that applies to all Marines and Navy personnel serving with Marine Corps units.
Effective immediately, seasonal uniform changes will occur semi-annually on the weekend in the Fall and Spring.
For all USMC Commands, during the winter season, the woodland MCCUU will be worn with sleeves down and the designated seasonal service uniform will be Service "B". Upon transition to the summer season, effective with the move to DST, the woodland MCCUU will still be worn; however, sleeves will be rolled up and the designated season service uniform will be Service "C".
OCONUS Commands/Bases/Units will differ to the policy/guidance as established by their respective Marine Forces(MARFOR) Commander for their seasonal dress/uniform.
MARFOR Commanders, due to the breadth of their area of responsibility, are authorized to set policy/guidance that may vary throughout their region, to include the adjustment of dates of transition and the respective MCCUU for wear.
MARFOR/MEF/Installation commanders may adjust the uniform for wear, from the dates established in this ALMAR within reason, to take into account seasonal weather patterns.
Commanders overseeing personnel in training (i.e. basic, MOS school, advanced MOS training) may set the MCCUU for wear as established by applicable order. Commanders overseeing units/personnel in training for deployment may set the MCCUU for wear based on the mission requirements, and as deemed necessary to ensure effective pre-deployment training.
Units/personnel deployed will adhere to the policy/guidance as established by combatant commanders and the regional MARFOR commander.