Four space tourists safely ended their trailblazing trip to orbit on Sept. 18 with a splashdown in the Atlantic off the Florida coast.
Their SpaceX capsule parachuted into the ocean just before sunset, not far from where their chartered flight began three days earlier.
The all-amateur crew was the first to circle the world without a professional astronaut.
A Turkish engineer, who worked at American space transportation company SpaceX's first rocket project Falcon-1, accused the company owner, billionaire tycoon Elon Musk of forcing them to work as "slaves."
"We were left alone on an island. He [Elon Musk] made us work like slaves," Bülent Altan said in a book called "Lift-off," describing his early days in the company.
Musk said by the fourth or fifth Martian landing -operating every two years or so- he’d consider allowing his children to make the trip to the Red Planet
Turkish President Recep Tayyip Erdoğan and Tesla CEO and SpaceX founder Elon Musk in a phone conversation discussed cooperation in various fields, according to Turkey's Communications Directorate on Jan. 27.
Space technologies was the main topic of discussion on the fields of cooperation between Turkey's public and private sectors and Musk's company, the directorate said.
Elon Musk, the outspoken and envelope-pushing founder and CEO of Tesla, overtook Amazon boss Jeff Bezos to become the world's wealthiest person, U.S. media reported on Jan. 7.
Musk is a major shareholder of the electric car company and has benefited from Tesla's surging share price over the last year. CNBC estimated his wealth at $185 billion.