UCLA also boasts an excellent military background, with hundreds of alumni serving their nation. Carlton Skinner was a U.S. Navy Commander who racially integrated the service at the end of World War II on the . He was also the first civilian governor of Guam. Francis B. Wai is, to date, the only Chinese-American and the first Asian-American to be awarded the Congressional Medal of Honor for his actions in World War II. UCLA also lost an alumnus in early 2007 when Second Lieutenant Mark Daily was killed in Mosul, Iraq after his HMMWV was hit by an IED. Lieutenant Daily's service is marked by a plaque located on the northern face of the Student Activities Center (SAC), where the ROTC halls are currently located.