The current directive requires airlines to pat down all passengers boarding planes bound for the United States and inspect their carry-on bags.

CNN: TSA extends expanded airline security

The current security directive requires airlines to physically pat down all passengers boarding planes bound for the United States and inspect their carry-on bags.

CNN: TSA maintains high security at airports

Goods from the south bound for the United States must pass through the bottleneck of Mexico City, climbing to 2, 500 metres (8, 200 feet) above sea level.

ECONOMIST: All roads lead to Mexico City

Now, DHS, as you know, uses the lists as the cornerstone of our efforts to prevent suspected terrorists from boarding airplanes bound for the United States.

WHITEHOUSE: Press Briefing on Security Review

The scanners will be permanent at Schiphol, and any passengers bound for the United States who do not go through them will be body-searched, ter Horst said.

CNN: Dutch, Nigerians to use full body scans for air travelers

The wire service said the investigation into its records appears related to an AP story about a thwarted terrorist plot in Yemen to bomb an airplane bound for the United States.

CNN: SHARE THIS

The story disclosed details of a CIA operation in Yemen that stopped an al-Qaida plot in the spring of 2012 to detonate a bomb on an airplane bound for the United States.

WSJ: Gov't probe obtains wide swath of AP phone records

The US Open champion was among five people who were killed when his Learjet, bound for Dallas from Orlando, flew uncontrolled over part of the United States for several hours before crashing in South Dakota.

BBC: Stewart's name withdrawn

His music has bound us together and captured our imagination, and the United States proudly honors this prolific cellist and ambassador for the arts.

WHITEHOUSE: 2010 Presidential Medal of Freedom Ceremony