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Lockheed Martin Corp. won a $247.5 million NASA contract to build a quieter supersonic jet, a step toward developing planes that can whisk passengers around the globe much more quickly.

"It is super exciting to be back designing and flying X-planes at this scale", Jaiwon Shin, NASA's associate administrator for aeronautics, said in a news release. Then, the rules of the Federal Aviation Administration would have to be changed in order to lift the current ban on civil supersonic flights over land.

NASA wants to prove that it can fly a plane faster than the speed of sound without blasting American neighborhoods below with sonic booms. The proposed aircraft will be 28.65 metres long with a wingspan of almost 9 metres, which have a fully-fuelled takeoff weight of about 14,650 kg.

Lockheed plans to conduct the first test flight in 2021.

Supersonic aircraft have not been used commercially since Concorde, a British-French turbojet-powered airliner, was retired in 2003 after 27 years of service. Aeronautics segment is engaged in the research, design, development, manufacture, integration, sustainment, support and upgrade of military aircraft, including combat and air mobility aircraft, unmanned air vehicles and related technologies. Our @NASAAero innovators are creating an experimental aircraft that could make supersonic flight over land possible. This would mean reaching speeds of about 940mph while only making enough sound to seem like a auto door was closing at around 50,000 feet in the air. "Our long tradition of solving the technical barriers of supersonic flight to benefit everyone continues".

The US space agency has awarded a $US247.5 million contract to Lockheed Martin to build from scratch a needle-nosed aircraft that could happily grace any chapter of the Star Wars franchise.

NASA has selected Lockheed Martin to design, build and test a one-man supersonic aircraft that engineers believe will create a sonic boom of just 75 perceived decibels at 55,000 feet of altitude, similar in volume to a gentle thump.

The project, known as the Low-Boom Flight Demonstrator, could run test flights over a handful of United States cities between 2022-25 to gauge public acceptance before the Federal Aviation Administration and International Civil Aviation Organisation develop new regulations.

The bone-rattling boom of supersonic aircraft has severely limited their commercial viability.

Craft like the Concorde made headlines over a decade ago, but nothing has yet to really take its place in more updated supersonic jets.