Dr. Jerry Malcolm developed the gene-therapy that was used in the project. Employing the process that would be later used in the GENOME Program, viral vectors were injected into the candidates and used to replace parts of the subject's genome with favorable traits. Later in development they were also given minor augmentations including ocular implants, muscular enhancement injections, pulmonary respiratory expansion, oxygen-transportation enrichment, and artificial-cochlea gyroscope. Outfitted with powered exoskeletons designed for alien environments, these new soldiers were codenamed SPEARs.