To no surprise, Penny had just taken a seat when a flight crew came in, informing the volunteers, "Everyone, please keep social interaction to a minimum as we have special agents with high clearance on the plane. Keep your mobile devices off and out of reach. Thank you for your cooperation."

The volunteers include teachers and doctors who were screened thoroughly before they left the country, and therefore had clean backgrounds. Hearing that it was military business, they cooperated and promptl