File talk:Defense.gov News Photo 050125-M-5191K-070.jpg

The description says this is a retinal scanner. I think it's actually an Securimetrics PIER 2.3 Iris Scanners. I believe this is the same device as discussed at these links:

https://www.fbo.gov/index?s=opportunity&mode=form&tab=core&id=902b3efde53f8d9da1463852e232af18&_cview=1

http://www.columbiatribune.com/news/2010/jan/19/the-eyes-have-it/