Enrolling there he became an engineering officer in the First Provisional Aero Squadron .
Because of World War I , in 1916 Harold R. Harris joined a Citizen 's Military Training Camp at Monterey , California , which was one of the few with an aviation unit .
Enrolling there Harold R. Harris became an engineering officer in the First Provisional Aero Squadron .
Because of World War I , in 1916 Harold R. Harris joined a Citizen 's Military Training Camp at Monterey , California , which was one of the few with an aviation unit .