North American AT-6 Texan
AT-6D s/n 42-85684
14 MAR 45
20 miles west-northwest of Tonopah Arizona

Engine is below and right of wing section with 68 on it.
Crash report picture of the engine (upper right)
On the bottom line you can barely read LUKE FIELD and at the top 85684, the serial number.
When you find items like the previous picture or below please turn them over so that the sun does not bake the paint off. And place it on top rocks or other aluminum to prevent corrosion to help preserve it.
A picture of the crash site today...
And yesterday. Compare the ridge line in the background.
A section of wing with the insignia.

Crash Report Excerpts

Crash Report, page 1
Crash Report - Diagram