Joint Base McGuire-Dix-Lakehurst in New Jersey went into lockdown on Tuesday after reports of gunshots during a training exercise. Emergency personnel responded to reports of an active shooter around 11 a.m. Officials announced the lockdown was lifted just before 12 p.m. “ALL CLEAR. ALL CLEAR. ALL CLEAR,” a Facebook post read. Fox News provided coverage: UPDATE: The ALL-CLEAR was given at Joint Base McGuire-Dix-Lakehurst. NBC: "A notification about a potential active shooter on a joint military base (Joint Base McGuire-Dix-Lakehurst) in New Jersey sparked a lockdown and brief public concern Tuesday, but authorities later said… pic.twitter.com/tIKbJWYxe1 — Eric Daugherty (@EricLDaugh) September 30, 2025 NBC10 Philadelphia has more: A high ranking law enforcement source told NBC News’ Jonathan Dienst that a training exercise was occurring at the base and witnesses heard gunshots. They then called 911 which led to the lockdown and personnel at the base were told to immediately seek shelter. Law enforcement officials arrived at the base and confirmed there was no active shooter threat. The lockdown was lifted and the base resumed normal operations at 11:57 a.m. JB MDL is a United States military facility and includes units from all six armed forces branches. “If you are on the base, please follow the instructions of your commanders and emergency response officials,” New Jersey Gov. Phil Murphy said. There is a currently a lockdown in place at Joint Base McGuire-Dix-Lakehurst. If you are on the base, please follow the instructions of your commanders and emergency response officials. pic.twitter.com/Cqi6NXVViD — Governor Phil Murphy (@GovMurphy) September 30, 2025 6abc Philadelphia noted: Emergency protocols were activated and law enforcement was called, officials said. However, no active shooter threat was found and the lockdown was lifted at 11:57 a.m. “Our priority is the safety and security of everyone on the installation,” Col. Michael Stefanovic, the commander of Joint Base MDL, said in a statement. “We worked closely with local law enforcement and emergency responders to ensure the situation was investigated and resolved as quickly as possible.” No further details are available, the base said. The base is about 18 miles southeast of Trenton.