Winter v. Natural Resources Defense Council, Inc., 555 U.S. 7 (U.S. Sup. Ct. 2008)

(U.S. Navy's use of "mid-frequency active" (MFA) sonar during integrated training exercises in waters off southern California permitted; Navy's need to conduct realistic training with active sonar to respond to enemy submarine threats plainly outweighs interest of plaintiffs in protecting marine mammals).