The missiles were fired into waters "near the Northern Limit Line at a distance corresponding to the area where the North Korean missile struck," South Korea's military said in a statement, adding the exercise showed that Seoul would respond "sternly to any provocations".
US Indo-Pacific Command spokesperson Capt. Mike Kafka said the US military was aware of the missiles and was monitoring the situation while closely consulting with allies.
This 9th standard student of Kendriya Vidyalaya, Warangal, is working on models based on rocket and nanotechnology and has shared his work with scientists from the DRDO.