Get in touch with your recruiter as soon as you can. I don't think you are terribly late in the game but you should definitely start having some conversations with the recruiter because they can be extremely difficult to get a hold of. The process is different this year. You can apply with out an acceptance and I believe you turn in the application around September. Your recruiter will know all of the details though. Let me know if you have any other questions that I could maybe answer as I just went through the whole process myself over the last year and I actually have my commissioning ceremony in 3 hours. Best of luck throughout the whole process! Its worth it!