Probably not. People tend to create ghost stories when they can't explain certain things. In the case of tengah air base, strange noises or lights might have logical explanations like old machinery or natural phenomena, rather than being ghosts.
There could be a whole range of tengah air base ghost stories. It might be that in certain areas of the base, there are cold spots which are often associated with ghostly presences. There could be stories of lights flickering on and off in abandoned buildings on the base for no logical reason. Also, perhaps there are tales of people feeling an eerie presence or being touched by something they can't see when walking around the base at night. These stories are often passed down among the military community or locals who have some connection to the area.
Well, to determine if JL 50 is a real story, we need to look at its source, the details presented, and any available background information. But as of now, with just the name, it's impossible to tell.
Raya is purely fictional. It's made up to take us on an imaginative adventure in a fantasy world. The characters and events are not based on real-life occurrences.
The best JL stories might be the ones that are centered around deep emotions. Like a story where JL experiences loss and then gradually learns to heal and grow from it. It could show how JL copes with heartbreak, makes new friends along the way, and discovers a new purpose in life. These types of stories often resonate with readers on a personal level.