Keywords: HUP-2 Oakland NAN8-58.jpg A U S Navy Piasecki HUP-2 Retriever helicopter BuNo 129990 of the Oakland Naval Air Reserve at Oakland California USA in 1958 U S Navy Naval Aviation News August 1958 http //www history navy mil/nan/backissues/1950s/1958/Aug58 pdf 1958 USN PD-USGov-Military-Navy Piasecki HUP Retriever United States Naval Air Reserve |