 In 2008 Jon Howard and Pat Kavanagh joined Arkaea alongside ex-Fear Factory members Raymond Herrera on drums and Christian Olde Wolbers (who produced Threat Signal's debut "Under Reprisal") on guitar.Threat Signal's second album "Vigilance", which was produced by Jon Howard (who is now the only founding member left in the band) and mixed by Greg Reely, was released on September 8, 2009 in North America and September 11, 2009 in Europe.The album spawned a music video for the track "Severed".