Astronaut Lt. Gen. , USAF (Ret.) Thomas P. Stafford, center, is greeted by platform guests after delivering remarks to the graduates. During an afternoon ceremony, OSU President Burns Hargis, far right, presented an honorary degree to Stafford on behalf of Oklahoma State University. Undergraduates at OSU participated in the school's 127th commencement ceremony the weekend of Friday, May 3 and Saturday, May 4, 2013 inside Gallagher-Iba Arena on the university's campus.These photos were taken at the Saturday morning ceremony when students from the College of Agricultural Sciences and Natural Resources, and the Spears School of Business were conferred with degrees. Photo by Jim Beckel, The Oklahoman.