WASHINGTON – U.S. Sens. Roger Wicker, R-Miss., ranking member of the Senate Committee on Commerce, Science, and Transportation, John Thune, R-S.D., ranking member of the Subcommittee on Communications, Media, and Broadband, and Marsha Blackburn, R-Tenn., ranking member of the Subcommittee on Consumer Protection, Product Safety, and Data Security, today introduced the Improving Spectrum Coordination Act. The legislation would require the Federal Communications Commission (FCC) and National Telecommunications and Information Administration (NTIA) to update the Memorandum of Understanding (MOU) that governs biannual meetings between the agencies to conduct joint spectrum planning.