Chief Master Sergeant of the Space Force John Bentivegna poses for a photo with Sidsel Diaz inside U.S. Air Force and U.S. Space Force Basic Military Training’s Pfingston Reception Center, known as the PRC, Joint Base San Antonio-Lackland, Texas, Feb. 18, 2026. CMSSF participated in the USSF BMT graduation ‘Coin and Retreat’ ceremony with Diaz’s son, Spc. Omar Chavez, as a graduate. The ceremony concluded in the PRC auditorium named after Chief Master Sgt. of the Air Force #10, Gary R. Pfingston, who served from 1962 to1994. He served in BMT for more than eight years, including as the Chief of the Military Training Division; and in 1979, became the Commandant of the Military Training Instructor School. (U.S. Air Force photo by Jonathan R. Mallard)