- Air Force: Private
- Aircraft: Grumman AF-2S Guardian
- Registration: N9995Z / 21-E (cn 321)
- Views: 1456
- Location: Tucson - Pima Air and Space Museum , USA - Arizona June 17, 2011
The last Guardians were retired in 1957. Of the 389 Guardians built only 5 survived scrapping. These 5 were purchased for conversion for fire fighting. They flew with the Aero Union Corporation in California until 1973!