US investigators are seeking to uncover how two top-secret intelligence documents, which appeared on the Telegram app and contain a US assessment of Israeli plans for strike on Iran.

The Pentagon continues to use the Hollywood movie industry as a tool for military promotion and shaping American public opinion toward military and political issues.

The U.S. military is facing hardship in recruiting new members, which has elicited worry about the nation's security should the United States find itself at war.

The New York Times reported that more documents involving Ukraine and other sensitive national security topics such as China and the Middle East had begun appearing on social media.

A Pentagon advisory committee formed to help address a suicide crisis in the US military has recommended imposing gun control measures on American service members to limit the possibility of them killing themselves.