http://www.businessinsider.com/tips-for-packing-2014-1
With their reputation for adaptability and traveling at a moment's notice, it's no surprise that a military veteran had an outstanding answer to the "What Are the Best Travel Hacks?” question on Quora.
Thomas Snerdley, an airman who served in Iraq and a former military brat, has traveled around the world more than a few times and in the process developed a system for traveling light and efficiently.
Here’s his advice from Quora, republished with permission here:
1. The Two Bag System. Every pro traveler I've ever met travels light using some variation of this system.
Bag#1: Travel bag: High quality 25-40 liter travel pack with (preferably fold-away) hip belt. This is for clothes, electronics, toiletries, gifts. Put all your liquids/gels in a quart Ziploc by itself for easy inspection removal. My clothes are rolled up into an Eagle Creek 2-sided travel cube with a plastic divider in the middle to separate the clean from the unwashed (isolating the smell away from the clean clothes and the rest of the bag) without having to pack two separate clothes bags ... genius! Always leave the travel bag at least one third empty for souvenirs and to leave room to carry.
Bag #2: Purse/man-bag or hiking waist-pack: Everything you will need to survive up to 18 hours in your airplane, train, boat, bus or tuktuk seat (e.g., iPad, smartphone, snacks, eyeshade, earplugs, wet wipes, water bottle, etc). You never have to touch your main travel bag after putting it in the overhead bin.
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