R 041451Z SEP 25 MARADMIN 419/25 MSGID/GENADMIN/CMC CDI WASHINGTON DC// SUBJ/FISCAL YEAR 2026 SCHEDULE OF MISSION ESSENTIAL TASK LIST, TRAINING MANAGEMENT TEAM, AND TRAINING AND READINESS MANUAL WORKING GROUPS// REF/A/MSGID/MCO 3000.13B// REF/B/MSGID/MCO 3500.110// REF/C/MSGID/MCO 3500.14// REF/D/MSGID/MCO P3500.72A// NARR/REFERENCE (REF) A IS MCO 3000.13B POLICIES AND PROCEDURES FOR REPORTING READINESS ON MARINE CORPS ORGANIZATIONS.  REF B IS MCO 3500.110 POLICY AND GUIDANCE FOR MISSION ESSENTIAL TASK LIST (METL) DEVELOPMENT, REVIEW, APPROVAL, PUBLICATION AND MAINTENANCE.  REF C IS MCO 3500.14 AVIATION TRAINING AND READINESS (T&R) PROGRAM.  REF D IS MCO P3500.72A MARINE CORPS GROUND T&R PROGRAM.// POC/M.F. Goldman/GS14/CDI TFSD MCTL Branch/Quantico VA Tel: (703) 432-8460/Email: [email protected]// POC/D. Diehl/GS14/TECOM PSD Aviation Standards Branch/ Quantico VA Tel: (703)784-3702/Email: [email protected]// POC/A. Nicholson/LtCol/TECOM PSD Ground Standards Branch/Quantico VA Tel: (703) 784-3035/Email: [email protected]// POC/J.L. Bullis/GS14/PP&O POR/Arlington VA/Tel: (703) 571-1063/ Email: [email protected]// GENTEXT/Remarks/1.  This is a Deputy Commandant, Combat Development and Integration message.  This message announces the fiscal year (FY) 2026 mission essential task/mission essential task list (MET/METL), training management team (TMT), and training and readiness (T&R) manual review working group (WG) battle rhythm in support of service capabilities implementation and has been coordinated with Policy and Standards Division, Training and Education Command.  Objective for FY-26 reviews is in adherence to a deliberate three-year review schedule ensuring development, refinement, and alignment actions are synchronized with unit mission statements, METs/METLs and T&R manuals.