A Pentagon watchdog found no harm to U.S. national security but said the incident raised the odds of such issues.
Defense and industry officials said the White House's AI policy memo should be accompanied by greater investment in enabling infrastructure.
U.S. President Joe Biden pledged to send Ukraine "hundreds" of air defense interceptors within months.
The almost $8 billion in assistance will empty out the money approved in an April supplemental defense bill passed by Congress.
