This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
aviation airplane aircraft bomber military aircraft militaryaircraft military aviation militaryaviation swing wing swingwing swing wings swingwings variablegeometry wing variablegeometrywing variablesweep wing variablesweepwing the bone thebone bone bone rockwell international rockwellinternational rockwell rockwell international