This will likely be evidence enough to countermand deeply convicted religious objectors to evolution.
Hardly. God just created a suitable skin color for these sinner sea animals before he killed them all in the great flood.
The fact that the military didn't even know about this snap-decision
The decision might seem sudden but Brasil have already chose Gripen in several occasions during the last 10 years. Those decisions have been interrupted by sudden economic downturn, and corruption, political instability and other stuff. Gripen seems to have been favored by the Brasilian military and Industry all these years though, and since all competitors are eliminated du to various reasons (technical, political, corruption, cost), there was no reason not to take the decision now.