Aug. 05, 2016, 8:18 a.m. (ET)

Team USA athletes spent Aug. 4 prepping for the Rio 2016 Olympic Games. Gymnasts Simone Biles and Madison Kocian practiced their floor routines, while the U.S. Olympic Men's Basketball Team met with the international media. Shooters Emil Milev and Vincent Hancock, sailors Joe Morris and Thomas Barrows and U.S. swimmers all had training sessions also. The Opening Ceremony and official start of the Rio 2016 Olympics is Aug. 5. 

1) Simone Biles
Simone Biles runs through her floor routine during a training session before the start of the Summer Olympic Games on Aug. 4, 2016 at Rio Olympic Arena in Rio de Janeiro.

2) Madison Kocian
Madison Kocian practices a floor routine at an artistic gymnastics training session on Aug. 4, 2016 at the Arena Olimpica do Rio in Rio de Janeiro.

3) Carmelo Anthony and Draymond Green
Carmelo Anthony and Draymond Green speak with the media during a press conference at the Main Press Centre ahead of the Rio 2016 Olympic Games on Aug. 4, 2016 in Rio de Janeiro.

4) Emil Milev
Emil Milev shoots in a training session prior to the start of the Rio 2016 Olympic Games at the Olympic Shooting Centre on Aug. 4, 2016 in Rio de Janeiro.

5) Vincent Hancock
Vincent Hancock shoots in a training session prior to the start of the Rio 2016 Olympic Games at the Olympic Shooting Centre on Aug. 4, 2016 in Rio de Janeiro.

6) Joe Morris and Thomas Barrows
Joe Morris and Thomas Barrows in action on their 49er class skiff during practice ahead of the Rio 2016 Olympic Games at the Marina da Gloria on Aug. 4, 2016 in Rio de Janeiro, Brazil.

7) Mighty Nice
Emma Dunn walks Phillip Dutton's horse, Mighty Nice, through the stable area prior to the Rio 2016 Olympic Games on Aug. 4, 2016 in Rio de Janeiro.

8) Leah Smith, Simone Manuel and Kathleen Baker
(L-R) Leah Smith, Simone Manuel and Kathleen Baker pose for a photo a day prior to the start of the Rio 2016 Olympics on Aug. 4, 2016 in Rio de Janeiro.

9) Missy Franklin
(L-R) Sze Hang Yu of Hong Kong and Missy Franklin speak at swim training a day before the start of the Rio 2016 Olympics on Aug. 4, 2016 in Rio de Janeiro.