The USNS Supply arrived at Muelle de Ponce in Puerto Rico at 10 a.m. local time on December 19, 2025, as part of an ongoing massive logistical effort to build up U.S. Southern Command (SOUTHCOM), according to morning updates shared by @FaytuksNetwork on X during the reporting window from 2:46 p.m. to 4:15 p.m. UTC. The X post at https://x.com/FaytuksNetwork/status/2002039758088720655 states verbatim: "Muelle de Ponce morning updates 10am 12/19/2025," highlighting the continued resupply operations at the port over the past 1 hour and 29 minutes ending at 4:15 p.m. UTC today. This development follows a post by the 22nd Marine Expeditionary Unit earlier today, between 1:46 p.m. and 2:45 p.m. UTC, detailing Marines with Kilo Company, Battalion Landing Team 3/6, conducting an offload at the same location on November 29, 2025, as shared on X at https://x.com/22nd_MEU/status/2002016065690247311 and tagging @USMC, @Southcom, and @DeptofWar. The SOUTHCOM buildup occurs amid Venezuela-related activities reported in prior periods, including Air Europa's cancellation of Madrid-Caracas flights until January 11 due to reasons beyond its control, announced over the previous 59 minutes ending at 2:45 p.m. UTC, and an X user @hayasaka_aryan claiming a group is heading to Venezuela on December 20 following a "$1776 warrior check and fancy dinner," posted between 12:46 p.m. and 1:45 p.m. UTC.