The military is actually extremely racist and sexist.
.
If you are white and / or have a penis (unless you identify as a woman) you can expect to have a hard time advancing beyond the automatic promotion ranks.
EDIT: Unless you are in an extremely difficult technical field where they are weeded out earlier...like nuclear propulsion. But even then, if they get that far, they are still more likely to get promotions. Because for "reason's" military promotions aren't blind.
The military is actually extremely racist and sexist.
.
If you are white and / or have a penis (unless you identify as a woman) you can expect to have a hard time advancing beyond the automatic promotion ranks.