Space and atomic energy technology are closely guarded, and in the past Indo-US relations have swung like a pendulum in both these sectors, but now the world's oldest democracy and the world's largest democracy are showing signs of tangoing together in a new Indo-US strategic and commercial embrace. In a new milestone, the nuclear energy sector was opened up for American companies on December 18, but interestingly, the immediate fallout is possibly being witnessed in another strategic area: the space sector.