25 January 2023 MAKO Challenge Increases Warfighting Readiness for Navy Reserve NORFOLK, Va. - Reserve Sailors from U.S. Fleet Forces (USFF), U.S. 2nd Fleet, U.S. 4th Fleet, U.S. 6th Fleet, and U.S. 10th Fleet conducted MAKO Challenge 23, an operational level of warfare (OLW) exercise within a Maritime Operations Center (MOC) scenario, from Jan. 19-22 at the Navy Warfare...