"Phantom Strike" by Robert Taylor, this is an Artist Proof 41/85. The regular LE edition print is now almost impossible to find, have not seen an Artist Proof like this one for sale in recent years. 

Three F4 Phantoms streak away after attacking the steel mills at Thai Nguyen in North Vietnam. In the background is the infamous "Thud Ridge" mountain, as the Phantoms make their exit the valley is filled with 100, 85 and 57mm anti aircraft shell bursts.

The print is signed by Robin Olds an Ace in WWII in Europe who added to his total in the Vietnam War and Dan Lafferty a pilot who flew in the back seat to Robin in the raid on the Thai Nguyen mills.