FILE: An aerial photograph taken on March 8, 2023 shows The Pentagon,(Daniel Slim/ AFP via Getty Images).
The Defense Department is saying little about its efforts in response to a massive data leak that may prove to be the most dangerous disclosure of classified material since former National Security Agency Contractor Edward Snowden revealed intelligence secrets a decade ago.
The documents, which began appearing online in January, contain several highly damaging revelations, including how Ukraine could run out of air defense missiles by May.