Atlantic Undersea Test and Evaluation Center

The United States Navy's Atlantic Undersea Test and Evaluation Center (AUTEC) is a laboratory that performs integrated three-dimensional hydrospace/aerospace trajectory measurements covering the entire spectrum of undersea simulated warfare – calibration, classifications, detection, and destruction. Its mission is to assist in establishing and maintaining naval ability of the United States through testing, evaluation, and underwater research.

Source: Wikipedia — Atlantic Undersea Test and Evaluation Center (CC BY-SA 4.0)