After describing India as "a linchpin" in its new strategic policy to "re-balance" military forces towards Asia-Pacific, in what is seen by many to be an unfolding grand design to "contain" China, the US is now cranking up its arms sales pitch to New Delhi. From ballistic missile defence (BMD) and aeronautics to robotics and micro-UAVs (unmanned aerial vehicles), the US is eager to collaborate with India in top-end defence technology in a bid to displace countries like Russia, Israel and France as the pre-eminent defence supplier to India.