The Transportation Security Administration (TSA) in 2006 implemented a policy limiting liquids, gels and aerosols in passenger carry-on luggage to 3.4-ounce containers or smaller, to lessen the chances of liquid explosives being brought onboard commercial aircraft.

Tiny toiletries stuffed into one-quart plastic bags have long been a way of life for frequent flyers who carry their suitcases onboard. That could be the next security screening measure to change, suggests DHS Secretary Kristi Noem.