Air Force Gen. James B. Hecker, commander, U.S. Air Forces in Europe, U.S. Air Forces Africa, and Allied Air Command, speaks at 10 a.m. EDT at a Mitchell Aerospace "Aerospace Nation" webinar. Register at mitchellaerospacepower.org.

Assistant Secretary of Defense for Health Affairs Dr. Lester Martinez-Lopez speaks at noon EDT at an Association of the U.S. Army "Noon Report" webinar. Register at ausa.org.

Army Lt. Gen. Robert A. Rasch Jr., director, Rapid Capabilities and Critical Technologies Office; Brig. Gen. Frank J. Lozano, Program Executive Officer, Missiles and Space; and Brig. Gen. Patrick M. Costello, commanding general, 94th Army Air and Missile Defense Command, speak at 2 p.m. EDT at an in-person and virtual Center for Strategic and International Studies event on "The Defense of Guam," 1616 Rhode Island Ave., Washington, D.C. Register at csis.org.

Air Force Gen. Timothy D. Haugh, commander, U.S. Cyber Command; director, National Security Agency; and chief, Central Security Service, speaks at 5:30 p.m. EDT at an Intelligence and National Security Alliance Leadership Dinner, Hilton McLean Tysons Corner, McLean, Virginia.