A model of HD-1 land-based supersonic cruise missile system is displayed at the China International Aviation and Aerospace Exhibition, or Airshow China, in Zhuhai, Guangdong province, China September 29, 2021. REUTERS/Aly Song

Models of HD-1A air-based supersonic cruise missile system are displayed at the China International Aviation and Aerospace Exhibition, or Airshow China, in Zhuhai, Guangdong province, China September 29, 2021. REUTERS/Aly Song

A model of Russian MiG-31 supersonic interceptor aircraft its seen at the stand of the United Aircraft Corporation during the International military-technical forum "Army-2021" at Patriot Congress and Exhibition Centre in Moscow Region, Russia August 23, 2021. REUTERS/Maxim Shemetov

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Chief Test Pilot, Bill Shoemaker, looks into the XB-1 demonstrator aircraft that Boom Supersonic is manufacturing in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Blake Scholl, the founder and CEO of Boom stands in front of the XB-1 demonstrator aircraft that Boom Supersonic is manufacturing in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Blake Scholl, the founder and CEO of Boom stands in front of the XB-1 demonstrator aircraft that Boom Supersonic is manufacturing in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Blake Scholl, the founder and CEO of Boom walks by the XB-1 demonstrator aircraft that Boom Supersonic is manufacturing in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Chief Test Pilot, Bill Shoemaker, flies in the XB-1 demonstrator aircraft flight simulator, in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Blake Scholl, the founder and CEO of Boom talks with Chief Test Pilot, Bill Shoemaker, about the XB-1 demonstrator aircraft that Boom Supersonic is manufacturing in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Chief Test Pilot, Bill Shoemaker, flies in the XB-1 demonstrator aircraft flight simulator, in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Blake Scholl, the founder and CEO of Boom looks over at the XB-1 demonstrator aircraft that Boom Supersonic is manufacturing in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Blake Scholl, the founder and CEO of Boom talks about the XB-1 demonstrator aircraft that Boom Supersonic is manufacturing in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Blake Scholl, the CEO of Boom Supersonic poses for a portrait next to a XB-1 aircraft model in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran

Chief Test Pilot, Bill Shoemaker, walks up to the XB-1 demonstrator aircraft that Boom Supersonic is manufacturing in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Chief Test Pilot, Bill Shoemaker, flies in the XB-1 demonstrator aircraft flight simulator, in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Chief Test Pilot, Bill Shoemaker, flies in the XB-1 demonstrator aircraft flight simulator, in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Chief Test Pilot, Bill Shoemaker, flies in the XB-1 demonstrator aircraft flight simulator, in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Chief Test Pilot, Bill Shoemaker, flies in the XB-1 demonstrator aircraft flight simulator, in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Chief Test Pilot, Bill Shoemaker, poses next to the XB-1 demonstrator aircraft flight simulator, in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

The XB-1 demonstrator aircraft that Boom Supersonic is using to test more than 50 years of improvements in technology for their proposed aircraft, Overture, with which they hope to resurrect commercial supersonic air travel across the Atlantic, is seen in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Blake Scholl, the CEO of Boom Supersonic poses for a portrait next to a XB-1 aircraft model in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran

Chief Test Pilot, Bill Shoemaker, flies in the XB-1 demonstrator aircraft flight simulator, in Centennial, Colorado, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Alyson McClaran REFILE - CORRECTING INFORMATION

Russian Tu-160 Supersonic Bomber and Su-35 jet fighters fly in formation past a monument to Soviet cosmonaut Yuri Gagarin during a rehearsal for the Victory Day parade, which marks the anniversary of the victory over Nazi Germany in World War Two, in Moscow, Russia May 7, 2021. REUTERS/Tatyana Makeyeva

Russian MiG-31 supersonic interceptor aircraft fly in formation during a rehearsal for the Victory Day parade as a monument of Prince Vladimir is seen in the foreground, in Moscow, Russia June 20, 2020. The military parade marking the 75th anniversary of the victory over Nazi Germany in World War Two was planned for May 9 and postponed due to the outbreak of the coronavirus disease (COVID-19). REUTERS/Maxim Shemetov

Gaia's Harmony Honey Farm Owner, Gaosheng Cha, wears a Seattle Supersonics face mask at the Ballard Farmers' Market which reopened Sunday with new safety measures as efforts continue to help slow the spread of the coronavirus disease (COVID-19) in Seattle, Washington, U.S. April 19, 2020. REUTERS/Jason Redmond

A military vehicle carrying a WZ-8 supersonic reconnaissance drone travels past Tiananmen Square during military parade marking the 70th founding anniversary of People's Republic of China, on its National Day in Beijing, China October 1, 2019. REUTERS/Jason Lee

A military vehicle carrying a WZ-8 supersonic reconnaissance drone travels past Tiananmen Square during the military parade marking the 70th founding anniversary of People's Republic of China, on its National Day in Beijing, China October 1, 2019. REUTERS/Thomas Peter

MiG-31B supersonic interceptor aircrafts MiG-31B perform during a rehearsal for the airshow in Krasnoyarsk, Russia August 1, 2019. REUTERS/Ilya Naymushin

Russian Tu-160 Supersonic Bomber flies during a military parade marking the Belarus Independence Day in Minsk, Belarus July 3, 2019. REUTERS/Vasily Fedosenko

Russian Tu-160 Supersonic Bomber flies during a military parade marking the Belarus Independence Day in Minsk, Belarus July 3, 2019. REUTERS/Vasily Fedosenko

China has developed supersonic anti-ship cruise missiles while the U.S. rely on cold-war era subsonic Harpoon missiles.

People are pictured in Supersonics apparel during a protest before former Starbucks CEO Howard Schultz speaks during his book tour in Seattle, Washington, U.S., January 31, 2019. REUTERS/Jason Redmond

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, does its first public test run at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, does its first public test run at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, does its first public test run at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, does its first public test run at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, does its first public test run at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, does its first public test run at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, does its first public test run at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, does its first public test run at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, is prepared for its first public test runs at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

Pilot Andy Green prepares to drive the Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, during its first public test runs at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

Pilot Andy Green prepares to drive the Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, during its first public test runs at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

Pilot Andy Green prepares to drive the Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, during its first public test runs at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

Pilot Andy Green prepares to drive the Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, during its first public test runs at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

Pilot Andy Green steers the Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, out of its hanger as it holds its first public test runs at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, holds its first public test runs at Newquay airport, Newquay, Britain, October 26, 2017, REUTERS/Toby Melville

Spectators arrive to watch the Bloodhound SuperSonic Car which is attempting to break the 1,000mph barrier in 2019, and holds its first public test runs at Newquay airport, Newquay, Britain, October 26, 2017. REUTERS/Toby Melville

The Bloodhound SuperSonic Car, which is attempting to break the 1,000mph barrier in 2019, holds its first public test runs at Newquay airport, Newquay, Britain, October 26, 2017. REUTERS/Toby Melville