Jeffery O’Brien

Maj. Jeffery O’Brien, 45, of Indianola, Iowa, was a dedicated U.S. Army officer who served nearly 15 years in the Army Reserve. Commissioned in 2012 as a Signal Corps officer, he was promoted to major in 2024 and had previously deployed to Kuwait in 2019. In civilian life, he worked in cybersecurity and defensive cyber operations. O’Brien was one of six service members who tragically lost their lives in a March 2023 Iranian drone attack while supporting Operation Epic Fury.