There are two endings of escape in "Brave into the Valley of the Dead: Dark Day", namely underground network and empty transport. First, empty transport escape, the strange marking location required, in Greenhaven's [Merther High School] [Leicester Barr's Auto Shop] [15 Independence Avenue] Seneca's [Vivaldi Restaurant].
How to play the ending of escape from the dark sun and sky road transport in the valley of Dead
Weak signal location: Greenhaven's [Merther High School] [Leicester Barr's Auto Shop] [15 Independence Avenue] Seneca's [Vivaldi Restaurant] (no limit to above locations)
Mission Route: [Millwood Manor] in Kinside → [St. Bernadette's Hospital]
Manor rescues pilots if you don't want to kill someone, bring a wire cutter. After curing the pilot, go to the hospital to drive a helicopter
Aviation fuel in [Container No. 3 stacking yard] in Buckland Plaza, if you don't take it, you will crash (man!)