[PAR] [TLE] KAI KF-X [SEP] The Korea Aerospace Industries KF-X/Indonesian Aerospace IF-X is a South Korean and Indonesian program to develop an advanced multirole fighter for the Republic of Korea Air Force (ROKAF) and Indonesian Air Force (TNI-AU), spearheaded by South Korea with Indonesia as the primary partner.  It is South Korea's second fighter development program following the FA-50. [PAR] [TLE] KAI T-50 Golden Eagle [SEP] The KAI T-50 Golden Eagle (골든이글) is a family of South Korean supersonic advanced trainers and light combat aircraft, developed by Korea Aerospace Industries (KAI) with Lockheed Martin.  The T-50 is South Korea's first indigenous supersonic aircraft and one of the world's few supersonic trainers.  Development began in the late 1990s, and its maiden flight occurred in 2002.  The aircraft entered active service with the Republic of Korea Air Force (ROKAF) in 2005.
[PAR] [TLE] KAI KF - X [ SEP ] The Korea Aerospace Industries KF - X / Indonesian Aerospace IF - X is a South Korean and Indonesian program to develop an advanced multirole fighter for the Republic of Korea Air Force ( ROKAF ) and Indonesian Air Force ( TNI - AU ) , spearheaded by South Korea with Indonesia as the primary partner . It is South Korea 's second fighter development program following the FA-50 . [PAR] [TLE] KAI T-50 Golden Eagle [ SEP ] The KAI T-50 Golden Eagle ( 골든이글 ) is a family of South Korean supersonic advanced trainers and light combat aircraft , developed by Korea Aerospace Industries ( KAI ) with Lockheed Martin . The T-50 is South Korea 's first indigenous supersonic aircraft and one of the world 's few supersonic trainers . Development began in the late 1990s , and its maiden flight occurred in 2002 . The aircraft entered active service with the Republic of Korea Air Force ( ROKAF ) in 2005 .
KAI KF-X was the model that followed which South Korean supersonic trainers and combat aircraft?
KAI KF - X was the model that followed which South Korean supersonic trainers and combat aircraft ?
KAI T-50 Golden Eagle
KAI T-50 Golden Eagle