G-312 Airport is a small military airfield located in Sanae-myeon, South Korea, designated with the ICAO code RK16. It is classified as a restricted military facility and is not open to commercial passenger traffic. The RK prefix in its ICAO code indicates a South Korean military installation. As a general aviation and military support facility, it serves operational and training purposes for South Korean armed forces rather than civilian air travel. Detailed public information about this facility is limited due to its military nature, and specific operational details such as runway configuration and infrastructure capacity are not widely disclosed.