Keywords: ernest n. n ljunggren special collection photo blackandwhite monochrome black and white Catalog #: 09_02069 Title: Ernest N. Ljunggren Special Collection Photo Additional Information: Ernie Ljunggren in cockpit of unidentified aircraft, Tags: Ernest N. Ljunggren Special Collection Photo Repository: San Diego Air and Space Museum Archive Catalog #: 09_02069 Title: Ernest N. Ljunggren Special Collection Photo Additional Information: Ernie Ljunggren in cockpit of unidentified aircraft, Tags: Ernest N. Ljunggren Special Collection Photo Repository: San Diego Air and Space Museum Archive |