“The Lockheed Martin X-33 is an unmanned, sub-scale technology demonstrator suborbital spaceplane developed in the 1990s under the U.S. government-funded Space Launch Initiative program”. – Wikipedia

Photo: An Artist's Rendering Shows How Nasa's X-33 Technology Demonstrator, A Cost-Cutting Fully Reusable Single-Stage-To-Orbit Space Vehicle, Will Look Upon Completion. The 67 Foot-Long, 278,600 Pound, Twin Engine Space Vehicle, Capable Of Reaching Speeds In Excess Of Mach 15, Will Lead To The Construction Of A 127 Foot-Long, 2,186,000 Pound Version With Seven Engines And A 50,000 Pound Payload Capacity Called The “Venturestar”. (Photo By Nasa/Getty Images)

A Filipino devotee is carried by police officers outside the Quiapo church after she fainted during the Black Nazarene feast day in Manila, Philippines, January 9, 2020. (Photo by Willy Kurniawan/Reuters)

In this file photo taken on Saturday May 1, 1993, an elderly communist woman clutches her head as police on horseback patrol the streets in Moscow. When Alexander Zemlianichenko started working as an AP photographer in Moscow, the Soviet Union was nearing its demise. (Photo by Alexander Zemlianichenko/AP Photo)

A protester wearing high heels during a demonstration to support International Day for the Elimination of Violence Against Women in Santiago, Chile, November 25, 2016. (Photo by Pablo Sanhueza/Reuters)

A dead sperm whale is seen on the beach on March 18, 2012 in Yancheng, Jiangsu Province of China. Four giant sperm whales, which were found beached on the beach of Xintan Salt Field on Friday, died on Saturday despite rescue efforts. (Photo by ChinaFotoPress)

Lukas Irmler balances on a 800 meter long highline 200 meters above Segnesboden, on Friday, June 28, 2019, in Flims, Switzerland. The highline is Switzerland's longest and will be set up untill Sunday in the Sardona World Heritage Region. (Photo by Gian Ehrenzeller/Keystone via AP Photo)

Opposition supporters march in the streets during a demonstration against the Ivorian President running for a third term in the next presidential elections, in Bonoua, Ivory Coast, 21 August 2020. The Ivorian opposition opposes a third term for incumbent president Ouattara who has been in power for ten years. The presidential elections will be held in October 2020. (Photo by Legnan Koula/EPA/EFE)

Musicians in Father Frost costumes ride along Nevsky Avenue on the Dedmorobus (portmanteau of “Father Frost” and “bus”) musical bus to entertain citizens ahead of New Year celebrations in St Petersburg, Russia on December 28, 2020. (Photo by Alexander Demianchuk/TASS)