Pressing: Manufacturing may be one of your biggest expenses. There are a few different ways this can go down: If you have a distribution deal, your distributor may pay for manufacturing up front and then recoup the costs from sales.
When a opening takes place (someone retires) then the Marine Corps promotion board looks at the available candidates and their fitness report scores to fill the vacancy. So make sure you have excellent scores and reports. I picked up SSgt (E6) in 10 years. Gunnery Sergeant (E7) may take up to 14 to 16 years.
The objective timeline will result in soldiers, on average, advancing to sergeant at about 4 Â½ years of service, staff sergeant at eight years, sergeant first class at about 14 years, master sergeant at 20 years and sergeant major at 25 to 26 years.