Several repeat Olympians, including a gold medalist, are among the 11 soldier-athletes helping to represent Team USA at the 2016 Summer Games, in Rio de Janeiro. Additionally, three soldiers are coaching. Opening ceremonies are set for 7 p.m. ET on Friday.

Sgt. 1st Class Glenn Eller, infantry, is competing in his fifth Olympics, in the men’s double trap. Eller won a gold medal in the event at the 2008 Summer Games and set an Olympic record.

Staff Sgt. John Nunn, a dental hygienist, and Sgt. 1st Class Keith Sanderson, infantry, both are competing in their third Olympics. Nunn is in the men’s 50 km race walk, and Sanderson is competing in the 25-meter rapid fire pistol.

The infantry’s Sgt. 1st Class Josh Richmond, competing in double trap, and Sgt. 1st Class Michael McPhail, 50-meter rifle prone, were also Olympians in the 2012 Games.

Other soldiers competing in Rio de Janeiro are Sgt. Nathan Schrimsher, motor transport operator, men’s individual modern pentathlon; Sgt. Hillary Bor, financial management technician, men’s 3,000-meter steeplechase; Spcs. Leonard Korir, motor transport operator, and Shadrack Kipchirchir, financial management technician, both in the men’s 10,000-meter race; Spc. Paul Chelimo, water treatment specialist, men’s 5,000-meter race; and Spc. Daniel Lowe, watercraft engineer, men’s 10-meter air rifle and 50-meter rifle three positions.

The three soldier-coaches are Staff Sgt. Dennis Bowsher for Schrimsher in modern pentathlon; Sgt. 1st Class Joe Guzman, men and women’s boxing; and Capt. Andrew Locke, women’s rugby.

The 11 Army athletes—four more than the service sent to the 2012 Summer Olympics—and three coaches trained through the U.S. Army World Class Athlete Program, headquartered at Fort Carson, Colo., and the U.S. Army Marksmanship Unit at Fort Benning, Ga.

Soldiers who are Olympic alternates this year are Sgt. Caylor Williams and Spc. Ildar Hafizov, Greco-Roman wrestling; and Sgt. Whitney Conder, women’s freestyle wrestling.

For more information about the Army’s Olympians, go to www.armymwr.com/Olympians. A schedule of events for the Summer Games is here: https://www.rio2016.com/en/schedule-and-results