The F-4EJ ADTW (Air Development and Test Wing) was the first and last operator of the F-4EJ in Japan until its complete decommission in 2021. The ADTW specialized in pre-operational testing and verification of JASDF equipment. The F-4EJ was chosen as a testing platform for the ADTW because of its reliability, versatility and long service history in Japan. The F-4EJ was also a source of pride and nostalgia for many pilots and enthusiasts.

It was introduced in Update "Apex Predators". This F-4EJ is completely identical to the researchable F-4EJ Phantom II in the tech tree, which in turn is a Japanese variant of the American F-4E Phantom II. It has a high versatility, as it can carry a large variety of weapons, such as bombs, rockets, air-to-air missiles and extra gunpods. The gunpods add more JM61 Vulcan cannons to the already abundant ammunition supply. However, it has a weak radar system, which limits the effectiveness of its 4 AIM-7 missiles. It also only has AIM-9P missiles as its best option for close-range combat.