This is the abandoned airstrip at M'drak (also spelled M'Drak), formerly a.k.a. Khanh Duong airstrip.
The airstrip runs diagonally through the box, i.e., from the upper-left corner to the lower-right corner.
Originally a French airstrip, it was improved by the US Army in the spring of 1967. Its elevation is approximately 1,401 feet.
Wikipedia article:
http://en.wikipedia.org/wiki/M'DrakCategory:
airport