Skysweeper (Mack Bolan the Executioner #69) by Don Pendleton - Vintage Paperback

Lasers! The word holds a promise for peace in the world. And the U.S. is twenty years ahead of its nearest rival in the latest use of the device.

But the secret of this technology lies in the tangled psyche of a former POW, brainwashed years before and let loose on an unsuspecting America. And the Russians hold the key. Mack Bolan is frighteningly familiar with the mind-control techniques used on prisoners in Vietnam.

The specter of that bloody war haunts The Executioners current mission as a trail of treachery leads him to discover an attempt on the Presidents life and a world-threatening plot masterminded by Bolans deadliest enemy.

Strakhov returns.