The Tomorrow War (Wingman #16)

Plunged into an alternate world, and a lethal rematch with history's infamous adversaries, it's up to "The Wingman" to terminate the past once and for all. But blowing Asia to kingdom come with a tri-nuclear bomb has ignited the night sky in flames, and transformed Hunter's escape route into a jet stream time tunnel to a new Hell on earth. Now, joining forces with former enemy Viktor Robotov, is "The Wingman's" last hope for saving himself -- and the only hope far saving the future.