Sure, 'Lone Survivor' is fictional. The plot, characters, and situations were all invented to entertain and engage the audience. It doesn't draw from actual happenings.
Lone Survivor is a blend of reality and fiction. While it's rooted in real-life incidents, certain aspects have been fictionalized to make it more engaging for the audience.
It is a true story. The events depicted in 'Lone Survivor' really took place, and it gives a raw and authentic look into the challenging circumstances faced by those involved.