A sign for the National Security Agency (NSA), US Cyber Command and Central Security Service, is seen near the visitor’s entrance to the headquarters of the National Security Agency (NSA) at Fort Meade, Maryland, February 14, 2018. (Photo by SAUL LOEB/AFP via Getty Images)
U.S. President Donald Trump, U.S. National Security Adviser Michael Waltz, U.S. Vice President J.D. Vance, and Defense Secretary Pete Hegseth, listen to a question from a reporter during a meeting in the Oval Office of the White House on March 13, 2025 in Washington, DC. (Photo by Andrew Harnik/Getty Images)
The Pentagon's top watchdog will investigate whether or not Secretary of Defense Pete Hegseth shared classified information over an unclassified messaging app.
Senate Armed Services Committee Chairman Jack Reed (D-RI) (L) and ranking member Sen. Roger Wicker (R-MS) talk before a confirmation hearing in the Dirksen Senate Office Building on Capitol Hill on July 20, 2023 in Washington, DC. (Photo by Chip Somodevilla/Getty Images)
Sen. Jack Reed questions Defense Secretary Ash Carter during a U.S. Senate Armed Services Committee hearing on Capitol Hill in Washington, D.C., Dec. 9, 2015. (DoD photo by U.S. Navy Petty Officer 1st Class Tim D. Godbee)
"We are in a tremendously dynamic situation where technology is changing rapidly, techniques are changing rapidly, operational issues, we are truly multi-dimensional,” Sen. Jack Reed said.