Pentagon chief Lloyd Austin urged India to reconsider its potential purchase of a Russian missile system, hinting to its longtime ally that the move could trigger U.S. sanctions. “We certainly urge all our allies and partners to move away from Russian equipment … and really avoid any kind of acquisitions that would trigger sanctions on our behalf,” Austin said in New Delhi on Saturday, responding to a question from a reporter about India’s plans to buy the Russian S-400 anti-aircraft weapon system. The thorny issue of India’s planned purchase of the S-400 was widely expected to come up during Austin’s visit to India, where he met his Indian counterpart—Defense Minister Rajnath Singh. The pair discussed ways to expand military engagement between their respective countries, underscoring the strengthening defense ties between the United States and India, which are both worried about China flexing its military muscle in the Indo-Pacific region. Austin said that, while …