Different concepts of future 6th generation fighter aircraft Part 2. Some of these are courtesy of Rodrigo Avella, a visual artist while the others represent different concepts of different 6th generation fighter programs like for example FCAS, Tempest, PCA, NGAD etc. How will future 6th generation fighters really look like when they enter stage time will show. But, these concepts at least offer a glimpse into the future of almost unlimited possibilities.