Cobra Series by Timothy Zahn

The Cobras wonder if they can return home after the wars--since humans fear their talents.

Will the COBRAS turn mercenary under Troft command?If anyone had told Jonny Moreau the Cobras would one day take orders from the alien Troft, he would have laughed without humor. He'd lost too many friends during the Troft war, though the Cobras triumphed in the end.Now, though, the Troft were trading partners - and they feared what might be a mutual danger. A new race, ruthless and tenacious, that threatened human space as well as Troft... moreWill the COBRAS turn mercenary under Troft command?If anyone had told Jonny Moreau the Cobras would one day take orders from the alien Troft, he would have laughed without humor. He'd lost too many friends during the Troft war, though the Cobras triumphed in the end.Now, though, the Troft were trading partners - and they feared what might be a mutual danger. A new race, ruthless and tenacious, that threatened human space as well as Troft. And the offer was territory - five new planets for the overcrowded Cobra Worlds.Jonny Moreau's son Justin would carry the Moreau name to danger...and learn on Qasama that it takes more than a Cobra father to make a Cobra son. less

His career started with saving Earth.Jonny Moreau didn't think of himself as a hero, and certainly had no intention of founding a dynasty that would become legendary among the worlds colonized by Earth. But when the alien Troft invaded human space, Jonny volunteered to become one of the first Cobras - an invincible soldier with surgically implanted weapons... moreHis career started with saving Earth.Jonny Moreau didn't think of himself as a hero, and certainly had no intention of founding a dynasty that would become legendary among the worlds colonized by Earth. But when the alien Troft invaded human space, Jonny volunteered to become one of the first Cobras - an invincible soldier with surgically implanted weapons. When the Cobras succeeded too well in defeating the Troft, they had to leave a fearful Earth for the stars, and Jonny was forced to become a politician, then a statesman, dealing with Earth and the Troft. Then the time came, decades later, when he and his Cobra children would join with the Troft against a new menace to both races...Omnibus edition containing: Cobra and Cobra Strike. less

Jasmine Moreau is reconsidered for Cobra treatment when a return mission to adangerous planet becomes inevitable.

The colony worlds Adirondack and Silvern fell to the Troft forces almost without a struggle. Outnumbered and on the defensive, Earth made a desperate decision. It would attack the aliens not from space, but on the ground-with forces the Trofts did not even suspect. Thus were created the Cobras, a guerilla force whose weapons were surgically implanted, invisible to the unsuspecting eye, yet undeniably deadly. But power brings temptation . . moreThe colony worlds Adirondack and Silvern fell to the Troft forces almost without a struggle. Outnumbered and on the defensive, Earth made a desperate decision. It would attack the aliens not from space, but on the ground-with forces the Trofts did not even suspect. Thus were created the Cobras, a guerilla force whose weapons were surgically implanted, invisible to the unsuspecting eye, yet undeniably deadly. But power brings temptation . . . and not all the Cobras could be trusted to fight for Earth alone. Jonny Moreau would learn the uses-and abuses-of his special abilities, and what it truly meant to be a Cobra. less