Secretary of the Navy Carlos Del Toro (9 a.m. EDT); Commandant of the Marine Corps Gen. Eric M. Smith (1 p.m. EDT); and other senior officials speak at Modern Day Marine 2024, Walter E. Washington Convention Center, Washington, D.C.

Deputy Chief of Space Operations for Intelligence Maj. Gen. Gregory J. Gagnon speaks at 9 a.m. EDT at a virtual Schriever Spacepower Series event. Register at mitchellaerospacepower.org.

Air Force Lt. Gen. Jeffrey A. Kruse, director, Defense Intelligence Agency, provides testimony at 9:30 a.m. EDT at a Senate Armed Services Committee hearing to examine worldwide threats, Hart Senate Office Building, Washington, D.C.

Navy Vice Adm. Kelly Aeschbach, commander, Naval Information Forces, speaks at 2 p.m. EDT at a virtual Defense One "Service Branch Spotlight" on the Navy. Register at defenseone.com.