Make sure we stop sending payments to any illegal aliens. Stop sending payments to the dead; they don’t need it. Stop sending payments to people who are receiving them illegally or fraudulently.
By the way, I suspect that there could also be some trimming of personnel, particularly at the higher ranks.
I admit that it would still fall short of fixing it. After all, it is an inherently flawed system. However, it just might help it last through the rest of my life.