Under 1,000 Patriot interceptors remain, a think tank estimates.

A $3 billion deal with Lockheed Martin and Northrop Grumman targets the actual bottleneck — solid-rocket motors and seekers — to triple Patriot and quadruple Terminal High Altitude Area Defense output.

Ukraine, chronically short of Patriots, waits behind US stockpile needs from the Iran war.

Sources: The Independent, Al Jazeera Online, South China Morning Post, TRT World