ROANOKE, Va.--(BUSINESS WIRE)--Luna Innovations Incorporated (NASDAQ: LUNA) announced today that it has entered into a $5 million revolving credit facility with Silicon Valley Bank (SVB). In May 2008, Luna entered into a $10 million credit facility with SVB that included a four-year term debt of $5 million and a remaining facility available under a four-year revolving line of credit of up to $10 million. Luna paid off the original $5 million term debt and terminated the prior facility in July 2009.