1) Cadillac SUV 2) Climb up and over 3) French word used in English 4) Luxury SUV from Cadillac 5) Scaling 6) Storming the ramparts Found on https://www.crosswordclues.com/clue/escalade
Escalade is the act of scaling defensive walls or ramparts with the aid of ladders, and was a prominent feature of siege warfare in medieval times. It was one of the most direct options available for attacking a fortification, but was also one of the most dangerous. Escalade consisted simply of soldiers advancing to the base of a wall, setting lad... Found on http://en.wikipedia.org/wiki/Escalade
Es`ca·lade' noun [ French, Spanish escalada (cf. Italian scalata ), from Spanish escalar to scale, Late Latin scalare , from Latin scala ladder. See Scale , transitive verb ] (Mil.) A furious attack made by troops on a fortifi... Found on http://www.encyclo.co.uk/webster/E/65