Apparently they started their own. It's pretty crappy (well, it's "okayish") and the presentation could have been better. Anyone tried it yet?

Lightweight Portable Security (LPS), created by USA's Department of Defence, is a small Linux live CD focusing on privacy and security, for this reason, it boots from a CD and executes from RAM, providing a web browser, a file manager and some interesing tools. LPS-Public turns an untrusted system into a trusted network client.

DistroWatch review