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Japan launches its fourth spy satellite, stepping up its ability to monitor potential threats such as North Korea.
Related Wikipedia articles
Reconnaissance satellite
Satellite that covertly collects data for intelligence or military applications
A reconnaissance satellite or intelligence satellite is an Earth observation satellite or communications satellite deployed for military or intelligence applications.Source: Wikipedia (CC BY-SA)
North Korea
Country in East Asia
North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korean Peninsula and borders China and Russia to the north at the Yalu (Amnok) and Tumen rivers, and South Korea to the south at the…Source: Wikipedia (CC BY-SA)