VP-920 NAS Willow Grove, Pennsylvania VP-920 Established: 00JUL46 VP-ML-70 Redesignated: 15NOV46 VP-931 Redesignated: 00FEB50 VP-57 Redesignated: 04FEB53 VAH-4 Redesignated: 03JUL56 VAQ-131 Redesignated: 01NOV68