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On September 10, 2001, everyone – also those who weren’t flying the end – could come to the airport and pass with the protection checkpoint to get in the secure area. In ~ the checkpoint, screeners employed by private companies rental by the airline scanned carry-on bags. Anyone passing through the checkpoint can do so without acquisition off shoes, belts, and outerwear or removing item from their carry-ons. Liquids, gels and aerosols in any kind of quantity could be lugged through the checkpoint. Unless something set off the metal detector that could require extra screening, going through defense in an airport was a fairly benign, regime exercise – on and up until September 10, 2001.

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On the morning of September 11, 2001, 19 terrorists boarded four commercial flights – two in Boston, one in Newark, N.J. And one in Washington, DC – and also hijacked them quickly after take-off. American Airlines flight 11 and United Airlines flight 175, both flying from Boston come Los Angeles, crashed into the people Trade center in new York City. American Airlines trip 77 paris from Washington, DC come Los Angeles crashed into the Pentagon. Unified Airlines trip 93 paris from Newark to san Francisco crashed into the ground in Shanksville, Pennsylvania. The deadliest terrorist assault on American soil declared the stays of virtually 3,000 people.

In the after-effects of September 11, an intense spotlight was concentrated on plane security and also measures were put in ar aimed at preventing similar attacks native happening again. Among the brand-new regulations, only passengers with tickets to fly that day would certainly be enabled past the protection checkpoint. Spicy items would be banned indigenous carry-on bags. Vehicles might pull increase curb side only for energetic loading and also unloading.

On November 19, 2001, the Aviation and also Transportation defense Act was passed by the 107th Congress and signed into law by president George W. Bush. The Act established the transportation Security administration requiring screening conducted by commonwealth officials, 100 percent checked baggage screening, expansion of the commonwealth Air Marshal Service and reinforced cockpit doors. In enhancement to airports, TSA was produced to oversee defense in all settings of transportation.

“The TSA was produced in direct an answer to the tragic occasions of September 11, 2001 to prevent such another horrendous action from keep going again. In these critical 20 years, the TSA has been a valued companion with and also all airports in keeping our guests, employees and also business associates safe,” claimed plane CEO Chellie Cameron. “We give thanks to the TSA for your diligence and commitment in continuing to safeguard the aviation neighborhood through innovation and practices, and also we look forward to continuing our cooperation with this important company and its committed workforce in maintaining safe.”

The TSA honor Guard processed through"s terminals during the 2019 9-11 remembrance.

“As we method the 20th anniversary that that unprecedented attack, we should never forget the occasions of 9-11,” said Gerardo Spero, Federal defense Director in ~ “We’ve all functioned tirelessly for 2 decades due to the fact that the storage of that day compels united state to do every little thing we can do come ensure it never happens again. I am proud to be a part of an organization that was developed specifically for that purpose and has excellent so much to certain the defense of numerous millions that travelers.”

In the ensuing months, years and also decades, incidents in the air and on the soil would an outcome in more measures come tighten defense at airports.

Here is a closer look at exactly how the TSA has actually grown and also evolved because its production in November 2001.

December 2002: TSA meets a an essential mandate of the Aviation and Transportation security Act by deploying explosives detection solution nationwide to screen all bags because that explosives.

April 2003: The federal flight deck officer regime is created in solution to the Arming Pilots against Terrorism act signed into law in November 2002. TSA starts training flight-deck personnel to bring firearms in early 2003 and also the first armed pilots are aboard commercial flights by April.

April 2003: In accordance v ATSA and a January 2002 mandate, TSA works v the FAA and air carriers to reinforce cockpits doors ~ above commercial aircraft in order to protect from intrusion, small-arms fire and fragmentation gadgets such as grenades. Through April 2003, every air carriers fulfill the requirement.

August 2006: based on intelligence pointing come a proceeding threat, TSA calls for passengers to remove shoes to display for explosives.

August 2006: In enhancement to new security measures, TSA likewise deploys commonwealth air marshals overseas to respond to the evolving threat to aviation security.

September 2006: TSA boosts security steps to include much more random screening of employees, additional canine patrols, more powerful air cargo protection measures, more rigorous identity verification standards and also deploying much more trained security police officers in bomb appraisal and screening by monitoring techniques.

September 2006: A month after the implementation that the initial liquids ban, TSA amends its rule governing liquids in passenger carry-on baggage and enables airline passenger to bring liquids, gels and aerosols in containers of just 3.4 ounces or much less in a single, clear, resealable 1-quart plastic bag.

March 2008: TSA deploys proprietary canine teams to assist in the screening the 100 percent air cargo invited on U.S. Passenger aircraft. TSA later broadens the routine to incorporate passenger and also baggage screening at airports.

March 2010: TSA starts formally installing hundreds of advanced imaging technology units in ~ U.S. Airports. These units, also known together “full-body scanners,” space designed to detect non-metallic weapons explosives and other threats, which could be concealed under great of clothing and may evade timeless metal detectors. Through the end of 2010, roughly 500 AIT devices are deployed nationwide.

June 2010: TSA achieves 100 percent pre-screening for all covered domestic air carrier flights within, in-bound for, or out-bound native the United says using the Secure trip system.

November 2010: Passengers space prohibited from having actually printer cartridges in carry-on baggage as the an outcome of an event the vault month in i beg your pardon authorities intercepted two IEDs covert in printer cartridges that they determined were to detonate ~ above flights to the U.S.

December 2014: TSA makes countless operation renovations to advanced imaging an innovation and explosives map detection, to match technologies already in use. TSA focuses on enhanced pat-down actions for alert resolution and committed screening necessity for select passengers in ~ a variety of international and also domestic airports.

February 2015: TSA utilizes experimentation teams come identify locations and means of boosting detection and also resolution capabilities. TSA requires amplified screening at pick overseas airports with straight flights come the united States and increases the number of random searches of passengers and carry-on luggage boarding plane at U.S. Airports.

May 2016: TSA, in cooperation with sector partners, begins deploying advanced automated screening lanes. Security improvement features include distinct radio frequency to know tags attached to bin to permit for additional accountability of items and also cameras that catch photos the the external of the bag that are connected to the X-ray pictures of the bag’s contents.

July 2017: to ensure the protection of airline passengers and U.S. Airports, TSA begins implementing new, stronger residential screening actions for carry-on items that need travelers to location all personal electronics bigger than a cell phone in bins for X-ray screening in typical lanes.

February 2018: TSA and also Los Angeles human being Airports partnered to show two protection checkpoint innovations that to be piloted in ~ Los Angeles global Airport. U. S. Customs and also Border Patrol to be a partner in the pilot regime that supplied facial recognition technology to automate the identification and boarding pass verification process. The 2nd pilot project featured an enhanced progressed Imaging technology (eAIT) unit with raised detection capabilities.

July 2018: TSA announced plan to test CT scanners, a state-of-the-art, 3-D technology at select U.S. Airport checkpoints. The brand-new technology enhances critical explosives and other threat-item detection capabilities at airport checkpoints. The mechanism applies sophisticated algorithms because that the detection the explosives and also creates a 3-D picture that have the right to be viewed and rotated on 3 axes for thorough, visual, image evaluation by a TSA officer. The CT scanners were placed in place at in 2020.

October 2018: The FAA Reauthorization plot of 2018, Public legislation 115-254, to be signed, which had the TSA Modernization Act, and significant the an initial ever reauthorization the TSA due to the fact that the agency’s founding in 2001. The bill authorized TSA to proceed as one agile and modern national defense organization, capable of handling ever-evolving risks to the transportation system. The reauthorization act empowered TSA to expand field operations trial and error of advanced screening technologies, boosted the usage of canine resources, and intensified public area security. That will likewise improve passenger and also cargo security, cockpit and also cabin security, surface transportation security, and also foreign airport security.

December 2018: In partnership through TSA, Denver international Airport is the first U.S. Airport to operate following generation Enhanced advanced Imaging an innovation (eAIT) for checkpoint defense screening. The devices has enhanced detection ability that boost security and also may help improve the passenger experience.

March 2020: due to the COVID-19 pandemic, TSA announced that one fluid hand sanitizer container approximately 12 ounces every passenger, is enabled in carry-on bags until additional notice.

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2020: TSA installs touchless automated photo identification scanners at airports. Credential Authentication technology (CAT) arrived at in summer 2020.