This is cartoon parable. Despite the fact that mankind is killed, the war still continues. War continued with automated system left by people. One of the last surviving bomber and its pilot still performs its task. The city is dead for a long time. Dead people who built it. Dead people who gave the order to destroy the city. And war will continue until subside echo of humanity.But life will always...

Dead Hand episode 2. Last day of war. Last war broke out. All people are dead, but the machines continue dutifully follow orders. On the automatic base machines fueling and charge the weapons of last surviving bomber preparing to drop bombs at the dead enemy city. This happens until the echo of mankind subsides completely. Then comes a new era in which there is no place for us.