The court order to divide military retirement must meet very specific requirements, otherwise DFAS will not process it. And note that while many attorneys may refer to the order as a QDRO, a military retirement is not a qualified pension under section 401(a) of the Internal Revenue Code, so a QDRO is neither needed, nor is it sufficient.

https://www.military-divorce-guide.com/military-retirement/direct-payment-military-retirement-dfas#: