4th KF-21 fighter jet prototype succeeds in 1st flight

This photo, released by the Defense Acquisition Program Administration (DAPA) on Feb. 20, 2023, shows a KF-21 prototype fighter conducting a test flight the same day.
This photo, released by the Defense Acquisition Program Administration (DAPA) on Feb. 20, 2023, shows a KF-21 prototype fighter conducting a test flight the same day.
A clerk looks at robots making fried chicken at a shop in Namyangju, 30 kilometers east of Seoul, on Jan. 25, 2023. (Yonhap)
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A traditional Korean dance troupe stages a New Year's performance, known as "Jishinbalki," in front of the city assembly in the southeastern city of Daegu on Jan.
Models display porcelain calendars for the new year bearing images of rabbits, the zodiac sign under the lunar calendar for 2023, during a publicity event at the headquarters of Hankook Chinaware i
A group of preschoolers plays "yunnori," a traditional Korean game played with sticks, in the southeastern city of Daegu on Jan.
A shopkeeper makes "garaetteok," a long tube of Korean rice cake, in five colors at a rice cake shop in Suwon, 34 kilometers south of Seoul, on Jan.
A boy fishes for "sancheoneo," a special kind of trout that lives in cold temperatures, at a fishing ground on the frozen Hwacheon Stream in the mountainous town of the same name in South Korea's n
High school seniors holding bouquets pose for a group photo after a graduation ceremony at Sacred Heart Girls High School in Seoul's Yongsan Ward on Jan. 5, 2023. (Yonhap)
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This aerial photo, provided by the Cultural Heritage Administration on Jan.