Cold Vengeance — Mike McCray

They'd survived everything the Vietcong could through at them. Now they'd through it back...at the american renegade who'd betrayed them. The Balck Berets had to hand it to Parkes, their former CIA case officer. First he'd sent them on a suicide mission to Vietnam. Then he'd send some CIA hitmas in to finish them off when the enemy couldn't. The moment they set foot stateside, the world's meanest mercenaries found that Parkes had arranged another lethal welcome.