Turner was one of 24 of the country's top 18-and-unders invited to try out for the team, which will be coached by Florida head coach Billy Donovan and be assisted by Providence head coach Ed Cooley and Arizona head coach Sean Miller.
This will be Turner's second stint with USA Basketball. He was also a member of the 2014 USA Junior National Select Team that defeated a World Select Team 84-73 in the 2014 Nike Hoop Summit in April.
He also participated in the 2013 USA Developmental National Team mini-camp.
Turner will continue to train with the team from June 15-19. He's expected to be back in Austin in early July.
2014 FIBA Americas U18 Championship Schedule
(Team USA schedule only)
(all times Central, all games at USOTC in Colorado Springs)
Friday, June 20 - 6:30 p.m. USA vs. Uruguay
Saturday, June 21
6:30 p.m. USA vs. Mexico
Sunday, June 22
6:30 p.m. USA vs. Argentina
Monday, June 23 - Semifinals
Tuesday, June 24 - Finals