Complex sentence: In May 2012, the U.S. Navy announced upcoming changes to the Service Dress Blues and Service Dress Whites, adding side zippers to both uniform blouses, and a zipper will also be added to Service Dress Blue trousers.
Split into simpler sentences: In May 2012, the U.S. Navy announced upcoming changes to the Service Dress Blues and Service Dress Whites, adding side zippers to both uniform blouses. A zipper will also be added to Service Dress Blue trousers.