Pyeongchang 2018 Winter Olympics - Pyeongchang, South Korea - February 25, 2018 - U.S. President Donald Trump's daughter and senior White House adviser, Ivanka Trump poses with athlete Shauna Rohbock, Gen Vincent K. Brooks, Commander, United States Forces Korea, White House Press Secretary Sarah Huckabee Sanders and U.S. Senator James Risch at the U.S. House. REUTERS/Eric Gaillard 

Pyeongchang 2018 Winter Olympics - Pyeongchang, South Korea - February 25, 2018 - U.S. President Donald Trump's daughter and senior White House adviser, Ivanka Trump poses with athlete Shauna Rohbock, Gen Vincent K. Brooks, Commander, United States Forces Korea, White House Press Secretary Sarah Huckabee Sanders and U.S. Senator James Risch at the U.S. House. REUTERS/Eric Gaillard 

Driver Shauna Rohbock and Valerie Fleming of the U.S. celebrate finishing second place in their women's FIBT Bobsleigh and Skeleton World Championships competition in Schoenau am Koenigssee February 19, 2011. REUTERS/Michaela Rehle (GERMANY - Tags: SPORT BOBSLEIGH) 

(L to R) Valerie Fleming and Shauna Rohbock of the U.S., Cathleen Martini and Romy Logsch from Germany and Heather Moyse and Kaillie Humphries from Canada celebrate their victories with champagne following the women's FIBT Bobsleigh and Skeleton World Championships in Schoenau am Koenigssee February 19, 2011. REUTERS/Michaela Rehle (GERMANY - Tags: SPORT BOBSLEIGH) 

Team USA's with Shauna Rohbock (front) and Valerie Fleming push the bob during the start of their third run at the women's FIBT Bobsleigh and Skeleton World Championships competition in the Bavarian resort of Schoenau am Koenigssee February 19, 2011. REUTERS/Michaela Rehle (GERMANY - Tags: SPORT BOBSLEIGH) 

Team U.S. 1 with Shauna Rohbock (front) and Valerie Fleming push the bob during the start at their first run of the women's FIBT Bobsleigh and Skeleton World Championships competition in the Bavarian resort of Schoenau am Koenigssee February 18, 2011. REUTERS/Michaela Rehle (GERMANY - Tags: SPORT BOBSLEIGH) 

Team U.S. 1 with Shauna Rohbock (front) and Valerie Fleming race down the ice track during their second run of the women's FIBT Bobsleigh and Skeleton World Championships competition in the Bavarian resort of Schoenau am Koenigssee February 18, 2011. REUTERS/Michaela Rehle (GERMANY - Tags: SPORT BOBSLEIGH) 

Shauna Rohbock pilots her sled with teammate Valerie Fleming of USA in the first run during the FIBT Women's Bobsled World Cup in Calgary, Alberta, December 3, 2010. REUTERS/Todd Korol (CANADA - Tags: SPORT BOBSLEIGH) 

Valerie Fleming (L) and Shauna Rohbock of the United States celebrate their silver medal finish at the FIBT World Cup women's bobsleigh in Whistler, British Columbia on November 26, 2010. REUTERS/Ben Nelms (CANADA - Tags: SPORT BOBSLEIGH) 

The U.S.'s Shauna Rohbock (R) and Michelle Rzepka start Heat 3 of the women's bobsleigh at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 24, 2010. REUTERS/Issei Kato (CANADA) 

The U.S.'s Shauna Rohbock and Michelle Rzepka race during Heat 2 of the women's bobsleigh at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 23, 2010. REUTERS/Issei Kato (CANADA) 

The U.S.'s Shauna Rohbock and Michelle Rzepka race during Heat 2 of the women's bobsleigh at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 23, 2010. REUTERS/Issei Kato (CANADA) 

Shauna Rohbock and Michelle Rzepka of the United States compete in heat 1 of women's bobsleigh at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 23, 2010. REUTERS/Jim Young (CANADA) 

The U.S.'s Shauna Rohbock and Michelle Rzepka race during Heat 1 of the women's bobsleigh at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 23, 2010. REUTERS/Jim Young (CANADA) 

Shauna Rohbock of the United States awaits her turn during first heat of women's bobsleigh at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 23, 2010. REUTERS/Tony Gentile (CANADA) 

Pilot Shauna Rohbock (R) and teammate Michelle Rzepka, of the United States, get underway during heat 1 of women's bobsleigh at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 23, 2010. REUTERS/Tony Gentile (CANADA) 

The U.S. bobsleigh team, piloted by Shauna Rohbock, speeds down the track during a training heat of the woman's bobsleigh event at the Vancouver 2010 Winter Olympics in Whistler, British Columbia, February 21, 2010. REUTERS/Pawel Kopczynski (CANADA) 

Russia's Olga Fedorova and Yulia Timofeeva speed down the track in women's bobsleigh competition of the Bobsleigh and Skeleton World Cup competition in Igls/Innsbruck January 22, 2010. Team U.S.A. 1 with Shauna Rohbock and Michelle Rzepka won the competition ahead of team Germany 2 with Cathleen Martini and Romy Logsch, and team Canada 1 with Kaillie Humphries and Heather Moyse. REUTERS/Herwig Prammer (AUSTRIA - Tags: SPORT BOBSLEIGH) 

Germany's Cathleen Martini and Romy Logsch, and Michelle Rzepka and Shauna Rohbock of the U.S. and Canada's Kaillie Humphries and Heather Moyse (L-R) celebrate after the Bobsleigh and Skeleton World Cup competition in Igls/Innsbruck January 22, 2010. Team U.S.A. 1 with Rzepka and Rohbock won the competition ahead of team Germany 2 with Martini and Logsch, and team Canada 1 with Humphries and Moyse. REUTERS/Herwig Prammer (AUSTRIA - Tags: SPORT BOBSLEIGH) 

Germany's Cathleen Martini and Romy Logsch, and Michelle Rzepka and Shauna Rohbock of the U.S. (L-R) celebrate after the Bobsleigh and Skeleton World Cup competition in Igls/Innsbruck January 22, 2010. Team U.S.A. 1 with Rzepka and Rohbock won the competition ahead of team Germany 2 with Martini and Logsch, and team Canada 1 with Kaillie Humphries and Heather Moyse. REUTERS/Herwig Prammer (AUSTRIA - Tags: SPORT BOBSLEIGH) 

Michelle Rzepka (L) and Shauna Rohbock of the U.S. celebrate after winning the women's bobsleigh race of the Bobsleigh and Skeleton World Cup competition in Igls/Innsbruck January 22, 2010. REUTERS/Herwig Prammer (AUSTRIA - Tags: SPORT BOBSLEIGH) 

Michelle Rzepka (L) and Shauna Rohbock of the U.S. speed down the track to win in the women's bobsleigh race of the Bobsleigh and Skeleton World Cup competition in Igls/Innsbruck January 22, 2010. REUTERS/Herwig Prammer (AUSTRIA - Tags: SPORT BOBSLEIGH) 

(L-R) Second-placed Canada's Helen Upperton and Jennifer Ciochetti, winners Canada's Heather Moyse and Kaillie Humphries and third-placed Shauna Rohbock and Michelle Rzepka of the U.S. pose after the women's Bobsleigh World Cup competition in Altenberg December 19, 2009. REUTERS/David W Cerny (GERMANY - Tags: SPORT BOBSLEIGH) 

Driver Shauna Rohbock (front) and pusher Michelle Rzepka of the U.S. react after finishing third in the women's Bobsleigh World Cup competition in Altenberg December 19, 2009. REUTERS/David W Cerny (GERMANY - Tags: SPORT BOBSLEIGH) 

Driver Shauna Rohbock (R) and pusher Michelle Rzepka of the U.S. enter their bob to the track of the women's Bobsleigh World Cup competition in Altenberg December 19, 2009. REUTERS/David W Cerny (GERMANY - Tags: SPORT BOBSLEIGH) 

Shauna Rohbock (3rd R) and Michelle Rzepka (3rd L) of the U.S., winners in the women's bobsleigh race, pose on the podium with second placed Germany's Cathleen Martini and Romy Logsch (2nd L) and third placed Germany's Sandra Kiriasis (R) and Berit Wiacker (2nd R) during the FIBT Bobsleigh and Skeleton World Cup competition at the Olympic track in Cesana Pariol, northern Italy, December 5, 2009. REUTERS/Giampiero Sposito (ITALY SPORT BOBSLEIGH) 

Shauna Rohbock (R) and Michelle Rzepka of the U.S. pose on the podium after winning in the women's bobsleigh race during the FIBT Bobsleigh and Skeleton World Cup competition at the Olympic track in Cesana Pariol, northern Italy, December 5, 2009. REUTERS/Giampiero Sposito (ITALY SPORT BOBSLEIGH) 

Shauna Rohbock (L) and Michelle Rzepka of the U.S. smile after winning in the women's bobsleigh race during the FIBT Bobsleigh and Skeleton World Cup competition at the Olympic track in Cesana Pariol, northern Italy, December 5, 2009. REUTERS/Giampiero Sposito (ITALY SPORT BOBSLEIGH) 

Shauna Rohbock (front) and Michelle Rzepka of the U.S. react after winning in the women's bobsleigh race during the FIBT Bobsleigh and Skeleton World Cup competition at the Olympic track in Cesana Pariol, northern Italy, December 5, 2009. REUTERS/Giampiero Sposito (ITALY SPORT BOBSLEIGH) 

Shauna Rohbock (front) and Michelle Rzepka of the U.S. make their way to win in the women's bobsleigh race during the FIBT Bobsleigh and Skeleton World Cup competition at the Olympic track in Cesana Pariol, northern Italy, December 5, 2009. REUTERS/Giampiero Sposito (ITALY SPORT BOBSLEIGH) 

Shauna Rohbock (L) and Elana Meyers of the U.S. wave while wearing their second place medals for the women's bobsleigh at the FIBT World Bobsleigh Championships in Lake Placid, New York, February 21, 2009. REUTERS/Shaun Best (UNITED STATES) 

Shauna Rohbock (front) and Elana Meyers of the U.S. cross the finish line to place second in the women's bobsleigh race after their fourth run at the FIBT World Bobsleigh Championships in Lake Placid, New York, February 21, 2009. REUTERS/Shaun Best (UNITED STATES) 

Shauna Rohbock (front) and Elana Meyers of the U.S. cross the finish line to place second in the women's bobsleigh race after their fourth run at the FIBT World Bobsleigh Championships in Lake Placid, New York, February 21, 2009. REUTERS/Shaun Best (UNITED STATES) 

Shauna Rohbock (front) and Elana Meyers of the U.S. compete in the third run of the women's bobsleigh race at the FIBT World Bobsleigh Championships in Lake Placid, New York, February 21, 2009. REUTERS/Shaun Best (UNITED STATES) 

Shauna Rohbock (front) and Elana Meyers of the U.S. compete in the second run of the women's bobsleigh at the FIBT World Bobsleigh Championships in Lake Placid, New York, February 20, 2009. REUTERS/Shaun Best (UNITED STATES) 

Shauna Rohbock (L) and Elana Meyers of the U.S. compete in the second run of the women's bobsleigh at the FIBT World Bobsleigh Championships in Lake Placid, New York, February 20, 2009. REUTERS/Shaun Best (UNITED STATES) 

Shauna Rohbock (pilot) and Elana Meyers of the U.S. react after taking the gold medal in women's bobsleigh at the Whistler Sliding Center during FIBT World Cup in Whistler, British Columbia, February 6, 2009. REUTERS/Lyle Stafford (CANADA) 

USA's Shauna Rohbock (pilot) and Elana Meyers react after taking the gold medal in women's bobsled at the Whistler Sliding Center during the FIBT World Cup in Whistler, British Columbia, February 6, 2009. REUTERS/Lyle Stafford (CANADA) 

USA's Shauna Rohbock (pilot) and Elana Meyers compete in the women's bobsleigh at the Whistler Sliding Center during the first run of the FIBT World Cup in Whistler, British Columbia, February 6, 2009. REUTERS/Lyle Stafford (CANADA) 

U.S. team Shauna Rohbock (front) and Elana Meyers speed down the natural ice track during the first run at the two-woman Bobsleigh World Cup tournament in the Swiss mountain resort of St. Moritz January 15, 2009. REUTERS/Arnd Wiegmann (SWITZERLAND) 

Team U.S. 1 with Shauna Rohbock (R) and Valerie Fleming celebrate their victory during winners ceremony of the women's Bobsleigh World Cup race in the southern Bavarian resort of Koenigssee January 10, 2009. Team U.S. 1 won the race ahead of joint second place by Team Great Britain 1 with Nicola Minichiello and Gillian Cooke and Team Germany 1 with Sandra Kiriasis and Romy Logsch. REUTERS/Michaela Rehle (GERMANY) 

Team Germany 1 with Sandra Kiriasis and Romy Logsch celebrate a second place after the final run of the bobsleigh World Cup race in the southern Bavarian resort of Koenigssee January 10, 2009. Team U.S. 1 with Shauna Rohbock and Valerie Fleming won the race ahead of joint second place Team Great Britain 1 with Nicola Minichiello and Gillian Cooke and Team Germany 1. REUTERS/Michaela Rehle (GERMANY) 

Team Germany 1 with Sandra Kiriasis (front) and Romy Logsch speed down the ice track during the first run of the women's Bobsleigh World Cup race in the southern Bavarian resort of Koenigssee January 10, 2009. Team U.S. 1 with Shauna Rohbock and Valerie Fleming won the race ahead of joint second placed Team Great Britain 1 with Nicola Minichiello and Gillian Cooke and Team Germany 1. REUTERS/Michaela Rehle (GERMANY) 

Team U.S. 1 with Shauna Rohbock (front) and Valerie Fleming celebrate their victory after the final run of the women's Bobsleigh World Cup race in the southern Bavarian resort of Koenigssee January 10, 2009. Team U.S. 1 won the race ahead of two second places by Team Great Britain 1 with Nicola Minichiello and Gillian Cooke and Team Germany 1 with Sandra Kiriasis and Romy Logsch. REUTERS/Michaela Rehle (GERMANY) 

Team U.S. 1 with Shauna Rohbock (front) and Valerie Fleming celebrate their victory after the final run of the women's Bobsleigh World Cup race in the southern Bavarian resort of Koenigssee January 10, 2009. Team U.S. 1 won the race ahead of two second places by Team Great Britain 1 with Nicola Minichiello and Gillian Cooke and Team Germany 1 with Sandra Kiriasis and Romy Logsch. REUTERS/Michaela Rehle (GERMANY) 

Team U.S. 1 with Shauna Rohbock (front) and Valerie Fleming celebrate their victory after the final run of the women's Bobsleigh World Cup race in the southern Bavarian resort of Koenigssee January 10, 2009. Team U.S. 1 won the race ahead of two second places by Team Great Britain 1 with Nicola Minichiello and Gillian Cooke and Team Germany 1 with Sandra Kiriasis and Romy Logsch. REUTERS/Michaela Rehle (GERMANY) 

Team U.S. 1 with Shauna Rohbock (front) and Valerie Fleming speed down the ice track during the first run of the women's Bobsleigh World Cup race in the southern Bavarian resort of Koenigssee January 10, 2009. Team U.S. 1 won the race ahead of two second places by Team Great Britain 1 with Nicola Minichiello and Gillian Cooke and Team Germany 1 with Sandra Kiriasis and Romy Logsch. REUTERS/Michaela Rehle (GERMANY) 

Shauna Rohbock (R) and Valerie Fleming from the U.S. react as the cross the finish line after their second run of the FIBT Bobsleigh World Cup in Igls, Innsbruck December 12, 2008. REUTERS/Dominic Ebenbichler (AUSTRIA) 

Shauna Rohbock (R) and Valerie Fleming from the U.S. push their sled at the start of their first run of the FIBT Bobsleigh World Cup in Igls, Innsbruck December 12, 2008. REUTERS/Dominic Ebenbichler (AUSTRIA) 

Shauna Rohbock (front) and Valerie Fleming from the U.S. speed down the track during their first run of the FIBT Bobsleigh World Cup in Igls, Innsbruck December 12, 2008. REUTERS/Dominic Ebenbichler (AUSTRIA) 

U.S. team Shauna Rohbock (front) and Elana Meyers speed down the ice track during the women's two-man Bobsleigh World Cup at the German resort of Altenberg December 6, 2008. REUTERS/Fabrizio Bensch (GERMANY) 

U.S. team Shauna Rohbock (front) and Elana Meyers speed down the ice track during the women's two-man Bobsleigh World Cup at the German resort of Altenberg December 6, 2008. REUTERS/Fabrizio Bensch (GERMANY) 

U.S. team Shauna Rohbock (R) and Valerie Fleming start during the first run at the women's two-man Bobsleigh World Cup tournament in the Swiss mountain resort of St. Moritz January 26, 2008. REUTERS/Arnd Wiegmann (SWITZERLAND) 

USA1's Shauna Rohbock (L) and Valerie Fleming celebrate after taking second position in the women's bobsleigh world cup tour at the Olympic track in Cesana Pariol, northern Italy, January 19, 2008. REUTERS/Max Rossi (ITALY) 

USA1's Shauna Rohbock and Valerie Fleming react after taking the second position in the women's bobsleigh world cup tour at the Olympic track in Cesana Pariol, northern Italy, January 19, 2008. REUTERS/Max Rossi (ITALY) 

USA1's Shauna Rohbock and Valerie Fleming make their way to take second position in the women's bobsleigh world cup tour at the Olympic track in Cesana Pariol, northern Italy, January 19, 2008. REUTERS/Max Rossi (ITALY) 

Shauna Rohbock (R) with her teammate Valerie Fleming (not seen) of Team USA One push their sled during during the first run of the women's two-man Bobsleigh World Cup competition in Cortina D'Ampezzo, northern Italy January 11, 2008. Team USA One took fourth place, as Team Germany One won the competition after their second race, ahead of Canada One and Germany Two. REUTERS/Alessandro Bianchi (ITALY) 

Shauna Rohbock (front) and her teammate Valerie Fleming of Team USA One compete during the first run of the women's two-man Bobsleigh World Cup competition in Cortina D'Ampezzo, northern Italy January 11, 2008. Team USA One took fourth place, as Team Germany One won the competition after their second race, ahead of Canada One and Germany Two. REUTERS/Alessandro Bianchi (ITALY) 

Shauna Rohbock and Valerie Fleming of the U.S. start in heat one during the World Cup Women's Bobsleigh Race in Calgary, Alberta, November 30, 2007. REUTERS/Patrick Price (CANADA) 

Team Germany 3 with Cathleen Martini (front) and Janine Tischer speed down the ice track during the bobsleigh World Cup final race in the southern Bavarian resort of Koenigssee February 24, 2007. Team Germany 1 with Sandra Kiriasis and Berit Wiacker won the race ahead of Team USA 1 with Shauna Rohbock and Valerie Fleming and Team Germany 3. REUTERS/Alexandra Beier (GERMANY)