What rank does an officer need to achieve to be allowed to serve 20 years?

PFC (Join to see) if they are SELCON, Captains and Majors May go to 20 years. If there is no SELCON, you’ll need to be a LTC.

Many prior service officers retire as Captains and Majors. They have 10 years AFCS and 20 years TIS.

Don’t know what you are looking for for a “breakdown” of how that works. If you are curious, officers don’t have RCPs we have MRDs. Google HRC MRD calculator. You can what if to your hearts delight.

While there are many possibilities based on type of service, policy for the needs of the Army, RIF program etc., generally Major is the lowest rank that can retire at 20. Thank you for your service.

A captain can also elect to go to a non-commissioned ranks of E5 or E6 and retire at his highest rank attained. With this new Blended Retirement System, it will soon be a thing of the past. If you came in and passed basic before the Blended retirement system was mandatory, you can participate in the system. If you are thinking of going commission, just focus on graduating from OCS or going do a commissioning Source like ROTC or West Point.