With supervision from the Iranian Revolutionary Guard Corps - Quds Force (IRGC-QF), Hezbollah has deployed up to 8,000 fighters to train, advise, and assist thousands of other Shia and non-state groups in Syria.

SOURCE: "Dangerous Liaisons: Russian Cooperation with Iran in Syria," by CSIS's Seth Jones, Nick Harrington, and Joe Bermudez.

North Korea's cyber attack on Sony in 2014 caused an estimated $35 million in IT infrastructure damages.

SOURCE: "By Other Means—Part I: Campaigning in the Gray Zone," by CSIS's Kathleen Hicks, Alice Hunt Friend, Hijab Shah, Joseph Federici, Asya Akca, and Lindsey Sheppard.

With 600 million of its citizens yet to join the middle class, China uses its diminished per-capita GDP to extract disproportionate industrial subsidies from the World Trade Organization (WTO).

SOURCE: "Home and Abroad: Building U.S. Global Economic Leadership on Strong Domestic Foundations," by CSIS's John Hamre, Matt Goodman, Bill Reinsch, Sarah Ladislaw, Jim Lewis, Dan Runde, Romina Bandura, Stephanie Segal, and Dylan Gerstel.

The total number of weapons released by both manned and remotely piloted aircraft in Afghanistan has increased 216.9% since 2013.

SOURCE: "Creating a Real Peace in Afghanistan," by CSIS's Anthony Cordesman.

Turkish President Erdogan purged 2,600 military officers - including half of his country's fighter pilots - after an attempted coup in July 2016. Erdogan's newly purchased S-400 air and missile defense system is designed to both strengthen Turkey's strategic partnership with Russia and deter future coup attempts from Turkey's air force.

SOURCE: "Coup-proofing? Making Sense of Turkey’s S-400 Decision," by CSIS's Tom Karako.