Campo de Provas Brigadeiro Velloso – CPBV () is a large complex of the Brazilian Armed Forces located in Serra do Cachimbo (), in the southern part of Pará, Brazil. The complex includes the Cachimbo Airport operated by the Brazilian Air Force. Since January 17, 1995 the complex is named after Haroldo Coimbra Velloso (1920–1969), a military, politician and responsible for the development of the complex.