India and the United States are developing strong defense ties, which may be necessary to maintaining peaceful order in Asia–Pacific region.

President Barack Obama is the first US president to visit India on Republic Day on Jan. 26, as well as the first sitting US president to visit India twice. He arrived at Rashtrapati Bhawan, the presidential palace, for an elaborate welcome ceremony on Sunday.

India has been the world’s largest arms importer every year since 2010, as its defence industry struggles to keep up with its international ambitions.

Despite the considerable strains in their partnership, the US and Russia remain linked by many important security issues.