India and Japan have been in talks on expanded bilateral defense cooperation . The two countries are also working to develop a joint air force that would be capable of carrying out missions such as anti-submarine warfare or aerial refueling. India successfully tested a 4,000-km range Agni 4 on January 20 from its Wheeler Island launch site in the Bay of Bengal . Japan has long regarded India as a powerful counterweight to Beijing 's strategic rise . Yet trade between China and Japan dwarfs trade between Tokyo and India .
India and Japan have been in talks on expanded bilateral defense cooperation . The two countries are also working to develop a joint air force that would be capable of carrying out missions such as anti-submarine warfare or aerial refueling. Japan has long regarded India as a powerful counterweight to Beijing 's strategic rise . Yet trade between China and Japan dwarfs trade between Tokyo and India .