| Senior Course 148 In-processing days | 12 – 13 February 2026 |
| NRCC 35 In-processing day | 13 February 2026 |
| Senior Course 148 Inauguration Day | 17 February 2026 |
| NATO Regional Cooperation Course 35 Inauguration Day | 17 February 2026 |
| Modular Short Course 148-1 "NATO Yesterday and Today" | 23 February – 06 March 2026 |
| Modular Short Course Partners Integrated (MSC-PI) | 13 – 17 April 2026 |
| NATO Regional Cooperation Course 35 Graduation | 24 April 2026 |
| Modular Short Course 148-2 “The Changing Character of War" | 18 – 29 May 2026 |
| Generals, Flag Officers and Ambassadors Course (GFOAC) 2026-1 Rome | 04 – 08 May 2026 |
| Senior Course 148 Study Project Presentations | 13 - 14 July 2026 |
| Senior Course 148 Graduation | 17 July 2026 |
| Senior Course 149 In-processing days | 27 – 28 August 2026 |
| NRCC 36 In-processing day | 27 – 28 August 2026 |
| Senior Course 149 Inauguration Day | 31 August 2026 |
| NRCC 36 Inauguration Day | 31 August 2026 |
| Modular Short Course 149-1 "NATO Yesterday and Today" | 7 – 18 September 2026 |
| Modular Short Course Partners Integrated (MSC-PI) | 19 - 23 October 2026 |
| NATO Regional Cooperation Course 36 Graduation | 6 November 2026 |
| Generals, Flag Officers and Ambassadors Course (GFOAC) 2026-2 Rome | 9 - 13 November 2026 |
| Modular Short Course 149-2 “The Changing Character of War" | 16 - 27 November 2026 |
Negotiation, Mediation & Decision - Making exercise (NMDX)
| 30 November - 4 December 2026 |
| Senior Course 149 Study Project Presentations | 25 - 26 January 2027 |
| Senior Course 149 Graduation | 29 January 2027 |
Collège de Défense de l'OTAN