Catherine Bland U.S. Naval Forces Southern Command/US 4th Fleet Holds Staff Talks with Peruvian Navy Thursday, February 25, 2016 - 05:18 Delegates from the U.S. Naval Forces Southern Command/U.S. 4th Fleet met with members of Marina de Guerra del Per (MGP-Peruvian Navy), Feb. 17-18, during the annual Operational Naval Committee (ONC) conference.