INS Chakra
... that while on its way to India from the Soviet Union, the nuclear submarine INS Chakra was tracked by Australian and American P-3 Orion aircraft?
... that while on its way to India from the Soviet Union, the nuclear submarine <b id="mwA7w"><a href="./Soviet_submarine_K-43" id="mwA70" rel="mw:WikiLink" title="Soviet submarine K-43">INS <i id="mwA74">Chakra</i></a></b> <i id="mwA78">(pictured)</i> was tracked by Australian and American <a class="mw-redirect" href="./P-3_Orion" id="mwA8A" rel="mw:WikiLink" title="P-3 Orion">P-3 Orion</a> aircraft?