The Democratic People's Republic of Korea (DPRK) fired an unidentified projectile into its eastern waters, South Korea's Joint Chiefs of Staff (JCS) said Saturday.The JCS said in a statement without mentioning further details.It came just three days after South Korea said the DPRK launched a ballistic missile into the eastern waters from the Sunan area in Pyongyang.The DPRK has launched projectiles 15 times this year, saying that it test-fired a new type of intercontinental ballistic missile (ICBM), Hwasongpho-17, on March 24.The Democratic People's Republic of Korea (DPRK) fired an unidentified projectile into its eastern waters, South Korea's Joint Chiefs of Staff (JCS) said Saturday.The JCS said in a statement without mentioning further details.It came just three days after South Korea said the DPRK launched a ballistic missile into the eastern waters from the Sunan area in Pyongyang.The DPRK has launched projectiles 15 times this year, saying that it test-fired a new type of intercontinental ballistic missile (ICBM), Hwasongpho-17, on March 24.