Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
If packed in carry-on, they must be less than 4 inches from the pivot point.
Any sharp objects in checked bags should be sheathed or securely wrapped to prevent injury to baggage handlers and inspectors.