NASA astronaut Chris Williams holds a postflight news conference at 2:45 p.m. ET on Aug. 4 to recap his 241-day mission aboard the International Space Station. Williams returned to Earth on July 26 after spending eight months in orbit, where he supported scientific investigations and technology demonstrations, including research on new cancer treatments and advanced manufacturing materials for high-performance computers and electronics. -- 📺 Watch NTD News 24/7 on cable, broadcast, and streaming: https://www.ntd.com/watch -- 🧶More NTD Programs: https://www.ntd.com/programs?utm_source=YouTube&utm_medium=SocialM -- 🇺🇸 Stay updated with breaking news, special reports, and LIVE COVERAGE on NTD: https://ept.ms/NTDlive_ -- 🔵Sign up for our newsletter to stay informed with NTD News. 👉https://www.ntd.com/newsletter.htm?utm_source=YouTube. If the link is blocked, type in NTD.com manually to sign up. -- 🔵 Watch more: https://www.ntd.com/?utm_source=YouTube&utm_medium=SocialM - 🔵 Watch NTD Original Documentaries: https://vimeo.com/user109504031/vod_pages - 🍀 Support NTD 👉 https://donorbox.org/ntd -- © All Rights Reserved.