Over 250,000 prisoners have been infected since March.
Smith averaged 13.5 points and 8.6 rebounds during his two-year stint with Maryland basketball.
The Terps’ 20-game conference slate opens Dec. 14 against Rutgers.
Each team will play six nonconference games.
Hamilton averaged 9.5 points and 4.3 rebounds last year while at Boston College.
Lester will be posthumously inducted into the Montgomery County Sports Hall of Fame on Oct. 18.
Carter is tied for the sixth-most rushing touchdowns in program history.
Athletic director Damon Evans will take a 10 percent cut from his supplemental pay.
Styles is the Terps' fourth new addition of the offseason.
The Arlington product is the No. 19 ranked point guard in his class.