Without more information, it's hard to name the exact main characters. However, they are probably military aviators from a certain era. They could be from different squadrons or units. They may have been involved in battles against formidable opponents. These characters would have had to deal with not only the physical challenges of flying but also the mental and emotional stress. Their stories are likely to be ones of perseverance, skill, and sacrifice in the face of danger.
Since it's based on a real story, the main characters could be pilots or aircrew members who made significant contributions during a particular period of aerial warfare. They might be those who had extraordinary flying skills, or who played important roles in strategic missions. Maybe there are some well - known heroes whose stories are being told, or even some unsung heroes who are finally getting the spotlight.