VR-31 VRF-1 Established: 01DEC43 VR-31 Redesignated: 01SEP48 VRF-31 Redesignated: 15JUL57 | Disestablished: 01OCT86
VRF-1 Established: 01DEC43 VR-31 Redesignated: 01SEP48 VRF-31 Redesignated: 15JUL57 | Disestablished: 01OCT86