The NSA, the original primary developer of SELinux, released the first version to the open source development community under the GNU GPL on December 22, 2000.[6] The software was merged into the mainline Linux kernel 2.6.0-test3, released on 8 August 2003. Other significant contributors include Red Hat, Network Associates, Secure Computing Corporation, Tresys Technology, and Trusted Computer Solutions.
Do you know of any good comprehensive followup to this? A quick search shows me lots of outdated info and inconclusive articles. Do you know if they conclusively found anything or if there is a good writeup on the whole situation?