Deferment of Accelerated BSN Program

I have been activated for the Texas National Guard Operation Lonestar which is the border mission here in Texas, and i will be on military orders for a year, and will not be able to start the Accelerated BSN Program in January 2022, but I would like to be considered for deferment to begin the program January 2023. I am passionate about nursing currently I am an LVN, but I also have a duty that I need to fulfill, and my request to not attend the border mission was denied so I understand I have an obligation, but I want to start the BSN program and it is a letter to Dr. Irene Salinas asking for a deferment.