• Pentagon revokes former Air Force Secretary Frank Kendall's access to classified information.
• Kendall allegedly disclosed sensitive information about Air Force One's capabilities.
• Revocation follows reporting on security concerns over new Air Force One.
• Kendall denies revealing classified information.

The revocation may indicate the Pentagon's heightened sensitivity to security breaches, which could have implications for the handling of classified information across the defense sector. This move suggests a focus on safeguarding national security secrets, which may impact the way former officials engage with the media.