Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD) has begun a major refinancing that will provide it with greater financial flexibility to execute its long-term strategic agenda and reduce its interest expense, the company said. Bank of America Merrill Lynch and SunTrust Robinson Humphrey, Inc. acted as joint lead arrangers and joint bookrunners for the new facility with Bank of America Merrill Lynch as administrative agent and SunTrust Bank as syndication agent; Wells Fargo Bank, National Association, MUFG, through The Bank of Tokyo-Mitsubishi UFJ, Ltd., JPMorgan, US Bank National Association, Citizens Bank, N.A., Regions Bank, and Fifth Third Bank, as co-documentation agents; KeyBank National Association, Morgan Stanley Bank, N.A., Manufacturers Bank and City National Bank as lenders.