AA's Parent and Peer Organizations
Astronomical Applications Dept. Astronomical Applications Dept.
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The Astronomical Applications Department (AA) is one of five scientific departments within the U.S. Naval Observatory (USNO). The USNO is a U.S. Navy Echelon 4 command located organizationally under Commander Naval Meteorology and Oceanography Command (CNMOC), U.S. Fleet Forces Command (USFF), and the Chief of Naval Operations (CNO).

The AA Department mission is described elsewhere. The other scientific departments at the USNO are: