Arms Control Wonk: Leading Voices on Arms Control, Disarmament and Non-Proliferation

It Really Looks Like A PrSM

Jeffrey Lewis

The New York Times has a second story by Christiaan Triebert, John Ismay, Alexander Cardia, Leanne Abraham and Azmat Khanout that concludes … well, the title says it all: “New Evidence Further Implicates U.S. Missiles in Strikes That Killed 21 Civilians in Iran.” I am quoted estimating the length of the object as about fifteen …

Analysis of Patriot Incident in Bahrain

This is the longer analysis of a news story (“Patriot Missile Involved in Bahrain Blast Likely U.S. Operated, Analysis Finds,”) we did with Jonathan Landay, M.B. Pell, and Travis Hartman at Reuters on the Patriot incident in Bahrain on March 9, 2026. By Jeffrey Lewis, Michael Duitsman, and Sam Lair 1.  Summary Assessment We assess …

GUEST POST: ON ‘FIRMS’ Ground: Can drone innovation in Ukraine be seen from space?

Today’s Guest Post is from Josiah Durfee a Middlebury College grad and former Team member in Monterey. He is currently based in the UK where he is getting a Masters of Strategic Studies at the University of St Andrews. In this article Josiah will take us through his deep interests in OSINT data sources, UAVs …

Whither the Iranian S-300?

In light of the increasing tensions between the U.S. and Iran, the expanding American regional military presence, and the talk of potential U.S. strikes as early as tomorrow, I thought I might check in on some Iranian air defense sites I have been keeping an eye on. One of the common talking points since the …