The Last American — John Wagner

After the Apocalypse, the last man alive is tasked with delivering Ultimate Victory...

Twenty years after a global nuclear war destroyed the world, Captain Ulysses Pilgrim is woken from suspended animation by three military robot aides.  Selected by his superiors to survive the initial onslaught, Pilgrim now has one last mission; to scour through post-holocaust U.S.A. in the search for other survivors.