A Gulfstream G550 aircraft, identified by call sign HALO51, returned to San Juan, Puerto Rico, at approximately 2:35 AM UTC on September 22nd, 2025, after operating in the Atlantic Ocean. This return follows reports of a suspected UGM-133 Trident II Submarine-Launched Ballistic Missile (SLBM) test conducted in the Northern Atlantic. Footage captured across Puerto Rico on the evening of September 21st, 2025, showed what is believed to be the launch of an SLBM from a U.S. or Royal Navy submarine. The Caribbean Astronomy Society confirmed the object observed in the sky was a "military test," though neither the U.S. nor Britain has issued an official statement regarding any such exercise. The Gulfstream G550's flight activity occurred during this period of reported military testing. The operational context for the Gulfstream G550's deployment and the suspected missile launch remains unconfirmed by official sources. This activity takes place amidst ongoing diplomatic tensions between the United States and Venezuela, with U.S. military assets, including the aircraft carrier USS Harry S Truman (CVN-75), present in the region. The U.S. Special Operations Command vessel MV Ocean Trader was previously identified operating southwest of St. Kitts. Additionally, the tenth report detailing alleged systematic political persecution in Venezuela is scheduled for presentation to the UN Human Rights Council on September 22nd, 2025.
