In the first sentence of the note below map 1 on page 43 of Fiona S. Cunningham and Taylor Fravel's article, “Assuring Assured Retaliation: China's Nuclear Posture and U.S.-China Strategic Stability” (Vol. 40, No. 2), the word “triggers” should be “brigades.” The sentence should read: “No launch brigades are attached to Base 22, which is the Second Artillery's central warhead storage base.”