Change 1 to the Fiscal Year 2026 Class Dates for Cornerstone
This MARADMIN announces changes to the Fiscal Year 2026 Cornerstone (Commandant's Combined Commandership Course) schedule. Cornerstone 26-1 was cancelled due to a lapse in appropriations, and an additional spring iteration (Cornerstone 26-3) has been added to accommodate all selected commanders and command senior enlisted leaders. The revised schedule includes two iterations in March and May 2026 for O5 and O6-level commanders, sergeants major, and spouses.
Issued: October 29, 2025
1. This MARADMIN updates reference (a) to announce changes to the Fiscal Year 2026 Cornerstone schedule. 2. Cornerstone 26-1 (previously scheduled for 15–24 October 2025) was cancelled due to a lapse in appropriations. To preserve throughout and ensure all selected commanders and command senior enlisted leaders can attend, an additional spring iteration Cornerstone 26-3, has been added to the FY26 schedule. 3. Revised Course Dates: 3.A. Cornerstone 3.A.1. O5-level Commanders and Sergeants Major: Course Report Date Convene Date Grad Date 2026002 17 Mar 26 18 Mar 26 27 Mar 26 2026003 5 May 26 6 May 26 15 May 26 3.A.2. O6-level Commanders and Sergeants Major: Course Report Date Convene Date Grad Date 2026002 22 Mar 26 23 Mar 26 27 Mar 26 2026003 10 May 26 11 May 26 15 May 26 3.B. Spouses Workshop Course Report Date Convene Date Grad Date 2026002 22 Mar 26 23 Mar 26 27 Mar 26 2026003 10 May 26 11 May 26 15 May 26 4. Registration procedures, eligibility criteria, and administrative requirements remain as published in reference (a). Attendees previously assigned to 26-1 must complete the registration form at https://forms.office.com/r/kvk7Pq493Q to register for a future iteration. 5. Recruiting Station Commanding Officers may attend Cornerstone prior to assuming command if approved by their parent command. Attendance following assumption of command is not authorized. 6. Questions regarding registration or eligibility should be directed to the MCU points of contact listed above. Questions regarding CSEL attendance should be directed to the 8999 Programs Lead, Marine Corps Senior Enlisted Academy, Sergeant Major Jacqueline Townsel, at Jacqueline.Townsel@usmcu.edu or (703) 432-3224. 7. Release authorized by Brigadier General Matthew W. Tracy, Commanding General, Education Command and President, Marine Corps University