In the behind the scenes video the photographer makes an offhand comment that yes, he was going to take the silhouette of the skydiver (and maybe some of the immediate surroundings) and composite it with a mosaic of sun images taken around the same time (but without the paramotor present).
That's the entire point of "war crimes" and "crimes against humanity" definitions like intentional starvation. It doesn't matter what the justification is, they're not allowed by the international law and need to be punished as such in all cases unconditionally.