sentences:  In 2005, the USAF's AFC2ISRC and ESC created BACN as an Objective Gateway technology demonstrator to provide voice and data interoperability between aircraft in a single battle area.The four key principles were
  
  The BACN first flight was November 2005 at MCAS Miramar in San Diego, CA.BACN was successfully demonstrated in Joint Expeditionary Force eXperiment (JEFX) 2006 and JEFX 2008 and selected for field deployment.