International news media is today reporting an alleged Houthi drone attack on Saudi oil facilities. Many of the stories I have read do not say much about Houthi drone capabilities and past use of drones. The following sources provide background on that topic:
Caleb Weiss, “Analysis: Houthi drone strikes in Saudi Arabia and Yemen,” Long War Journal (8/6/19), https://www.longwarjournal.org/archives/2019/08/analysis-houthi-drone-strikes-in-saudi-arabia-and-yemen.php.
Jon Gambrell, “How Yemen’s rebels increasingly deploy drones,” Defense News (5/20/19), https://www.defensenews.com/unmanned/2019/05/21/how-yemens-rebels-increasingly-deploy-drones/.
Khalil Dewan, “Investigating Houthi Claims of Drone Attacks on UAE Airports,” Bellingcat (11/6/18), https://www.bellingcat.com/news/mena/2018/11/07/investigating-houthi-claims-drone-attacks-uae-airports/.
“IRANIAN TECHNOLOGY TRANSFERS TO YEMEN: ‘Kamikaze’ drones used by Houthi forces to attack Coalition missile defence systems,” Conflict Armament Research (March 2017),