Starting in January, corporals won't be able to pick up sergeant until they've been in the Marine Corps for four years.
The service on Monday announced the change will start in March 2020 for the next lieutenant colonel promotion board.
The Army may do away with making sergeant promotions dependent on high Army Combat Fitness Test scores.
Sailors looking to speed up their path to petty officer first class now have some new options.
Beginning this month, the changes apply to all statuses within the enlisted Reserve force.
Col. Jason Lamb, took the stage before a packed audience of airmen with Lt. Gen. Brian Kelly.
The commandant wants to let Marines stay in uniform past 20 years, find new ways to reward top performers and more.
House lawmakers have introduced legislative amendments to promote Richard "Dick" Cole and Charles McGee.
To be selected, sailors must pass the normal screenings for the boot camp or recruiting jobs.
A proposed change would creating subgroupings for promotion, putting a greater emphasis on field-specific expertise.