The base had multiple lines of defense. Aside from standard units, the Core had several extremely powerful defensive measures that had to be routed before the Core itself was open to attack. * Firestorm barrier: Superior in construction to even Hammerfest's Firestorm Array, the barrier surrounded the Core and several other key structures, and was nigh impregnable. * The Obelisk of Darkness and the CABAL Obelisk: A pair of highly modified Obelisks. CABAL had managed to improve upon the venerable design of the iconic Nod defensive structure. Both were highly reinforced, and, thanks to their special modifications, could shoot through the Firestorm barrier; something regular Obelisks could not do. The Obelisk of Darkness was capable of vaporizing aircraft, while the CABAL Obelisk was sup