The EU's global navigation satellite system, built for European autonomy from US GPS, now the world's most accurate civilian GNSS and a pillar of European strategic independence.
China's state-owned global satellite navigation system, now embedded in over 2 billion devices and challenging US GPS dominance in positioning, timing, and strategic influence.
전체 파일 ›Four global satellite constellations compete to position phones, ships, and weapons, while jamming and spoofing have made signal integrity a front-line security question.
EU가 갈릴레오 2세대 발사에 착수；중국은 베이더우를 위성 37기로 통합하고 세계적 채택을 노린다