News bites: A busy 20 minutes

Your morning transportation speed-read:

Two passengers were arrested within 20 minutes of each other by the Transportation Security Administration (TSA) at Atlanta's Hartsfield-Jackson International Airport for having guns.

Lockheed Martin has won a $72 million TSA contract.

Ridership on Philadelphia's Southeastern Pennsylvania Transportation Authority is at a 22-year high.

A suspected "sickout" led to the cancellation of 24 United and Continental airlines flights at Newark, N.J.'s Liberty International Airport.