Staff Sgt. Alejandro Villareal of Detachment 1, Company C, 3-238th General Support Aviation Battalion based in Grand Ledge, Mich. poses in front of a MEDEVAC helicopter on September 26, 2019. (Photo by Capt. Joe Legros) Since 1968, the United States has observed National Hispanic Heritage Month from Sept. 15 to Oct. 15 to celebrate the many contributions and rich culture of American citizens with Latin American ancestry. This month, the Michigan National Guard is highlighting the service of one of its own: Alejandro “Ricci” Villareal.