The brief emphasizes the importance of NWP 12 for the American economy and energy security. Rachel H. Parkin of Milodragovich, Dale, Steinbrenner, P.C. and Ronald J. Tenpas, Corinne V. Snow, and Brandon M. Tuck of Vinson & Elkins LLP and the U.S. Chamber’s Litigation Center served as co-counsel for the U.S. Chamber.