The Hindu

With NavIC setback, India unable to use satellite system for security purposes: experts

A major setback occurred after the last atomic clock on board the Indian Regional Navigational Satellite System-1F (IRNSS-1F) stopped functioning on March 10, leaving only three satellites of the NavIC constellation in function; armed forces of countries use the navigation satellite system for logistics, mapping and operational planning, and relying on a foreign navigation satellite system could pose security issues, especially during wars