Inferno: Alliance Reborn is a remake for Inferno: Alliance, a FreeSpace 2 SCP mod released back in 2006. Just like its predecessor, INFA Reborn will merge Inferno's typical style with FreeSpace 1's atmosphere.
Here's another logo by ShadowGorrath (ModDB user name: Goran).
This one, as suggested by the name, is for the Martian Republic.