1. 2015 Deployments. (2014, December 27). Back to Europe, Iraq, Other Hot Spots. Army Times.
2. 2019 Summer Exercises. U.S. Army Europe. Available at: https://www.eur.army.mil/SummerExercises/.
3. Active Engagement. (2010, November 19). Active Engagement. Modern Defence. Strategic Concept for the Defence and Security of the Members of the North Atlantic Treaty Organisation adopted by Heads of State and Government in Lisbon. Available at: https://www.nato.int/cps/en/natohq/official_texts_68580.htm.
4. Airmen Augment Romanian Security for NATO Summit. (2008, March 7). Available at: https://www.usafe.af.mil/News/Article-Display/Article/255590/airmen-augment-romanian-security-for-nato-summit.
5. B-52s Participate in BTF. (2020). BALTOPS 2020 Exercise. Available at: https://www.afgsc.af.mil/News/Press-Releases/Article/2220464/b-52s-participate-in-btf-baltops-2020-exercise/, 15 June 2020.