FILE - Indian naval ship INS Vikramaditya, front, participates in the Malabar 2017 tri-lateral exercises between India, Japan and the U.S. in the Bay of Bengal on July 17, 2017. India bought its only aircraft carrier, INS Vikramaditya, from the Soviet Union in 2004. The carrier had served during the former Soviet Union and later for the Russian navy. (AP Photo/Rishi Lekhi, File)