The trifecta includes: global warming, energy security and explosive global demand growth driven largely emerging economies like China and India.
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The apparent breach of airport security follows a report last week that an undercover TSA inspector brought a mock explosive device through two security checks at Newark Liberty International Airport in New Jersey.
Russia's Federal Security Service said an improvised explosive device, which unknown bombers placed beneath the railroad bed, caused Friday's derailment.
Elsewhere, Syrian security forces purportedly "seized" explosive, weapons and ammunition in Homs and in Idlib province.
If Retirement Savings Plus accounts enabled low-income Americans to build up sizeable nest-eggs outside the Social Security system, the notion of cutting Social Security benefits might become less politically explosive.
These funds will be used to sustain the current cap level of 46, 000 full time screening personnel, and for explosive detection systems, security enforcement, cargo inspections, Federal Air Marshals, and other TSA activities.
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Those adjustments also will mean about 20 percent more security personnel and increased K-9 explosive detective teams on site.
People were forced to leave their vehicles in the car parks for the rest of the day for security reasons as searches were carried out for explosive devices.
Since last week, we've taken action on airport security, we've taken action on explosive tracking, we've taken action on dealing with the location of people in Yemen, trying to find out what actually happened in Yemen, and at the same time we're strengthening our counter-terrorism activity.
The American Civil Liberties Union has "always supported explosive detection as a good form of security that doesn't really invade privacy, " said Jay Stanley, an attorney and privacy expert with the organization.
"It is an issue of grave concern that the explosive device was not detected by airport security in either Lagos (Nigeria) or Amsterdam (Netherlands), " which AbdulMutallab passed through en route to Detroit, Johnson said.
Plenty of warning signs also preceded Nigerian Umar Farouq Abdulmutallab's attempt to blow up Northwest flight 253 over Detroit on Christmas Day 2009 with an underwear bomb made with PETN, a plastic explosive that was not detected by airport security.
Security planners have drawn up procedures to deal with improvised explosive devices, suicide bombers and the use of a weapon of mass destruction.
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At airports throughout the United States, we have deployed additional airport law enforcement officials, behavior-detection officers, air marshals, and explosive-detection canine teams, among other security measures, both seen and unseen.
While in Afghanistan, the soldiers were assigned to the Allied Rapid Reaction Corps (ARRC) Support Battalion and served in a variety of roles including providing infantry forces, searching for Improvised Explosive Devices, and working with the Afghan Security Forces.
What differentiates Implant from other homeland security makers is its chief product, Quantum Sniffer, whose explosive trace sensors are capable of detecting minute amounts of a wide variety of explosives, regardless of whether they are the military, commercial or home-made type.
The newspaper said an undercover TSA inspector brought a mock improvised explosive device stashed in his pants through two layers of security last month.
Ali Mamlouk, the newly appointed head of the national security bureau, and a colonel known only as Adnan provided improvised explosive devices to Lebanese politician Michel Samaha, who faces the same charges.
Anti-explosive robots and radiation detectors are also part of the stepped-up security detail.
The U.S. Department of Homeland Security has issued several unclassified bulletins about the use of pressure cookers as part of an explosive device.
Bomb experts say that security checks are probably more likely to find the device that detonates a liquid bomb than the liquid explosive itself.
We also intend to mitigate the impact of binational disasters on communities by establishing procedures to manage land and maritime traffic in the event of a border area emergency, and enhance our collective preparedness for security threats of all types -- health, chemical, biological, radiological, nuclear, and explosive.
The new rule will allow screeners to focus on finding explosive device components and other things that can be "catastrophic" to a plane, speed trips through security checkpoints and "address the hassle factor, " Pistole said.
He told CNN that there needed to be greater investment in random searches by agents with explosive trace detection equipment and greater deployment of CCTV cameras, saying the extra investment needed in mass transit security amounted to a fraction of the economic cost of a successful attack.
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