Chinese refineries have moved to secure Russian oil shipments as demand from India for Moscow’s crude drops amid threats of President Donald Trump’s tariffs.

For more than two decades, Washington and New Delhi built a strategic partnership that was hailed as one of the great success stories of post–Cold War diplomacy. Today, that relationship is facing its most serious test in years — and India is signaling it has other options.

They roll down Beijing streets, covered from prying eyes by huge tarpaulins, but the silhouettes of missiles, tanks and undersea vehicles are unmistakable as China prepares for its most revealing military parade in six years.