Yes. If you check your DIEMS date on your Leave and Earning Statement (LES), it should reflect that anyone from before the class of 2022 entered active service with DIEMS before 1 January 2018 and so will have a choice of systems. Similarly, a cadet enrolled in the Senior Reserve Officer Training Corps, who has signed an agreement to serve as a commissioned officer in a Uniformed Service upon graduation and receives basic pay or inactive duty pay, will also have a choice of which retirement system to opt into.[iv]