The SPARTAN-IV Program was a planned supersoldier project authorized by the Office of Naval Intelligence.Conceived by Admiral Margaret Parangosky following the SPARTAN-III Program, the SPARTAN-IV Program was to be headed by Colonel James Ackerson with Dr. Halsey forced to work under him.[1] Like the original ORION Project, the SPARTAN-IV Program would use only consenting adult volunteers. [2] It was to be led by Colonel James Ackerson, the project lead of the SPARTAN-IIIs. Dr. Catherine Halsey, the project lead of the SPARTAN-IIs, was to be reassigned to this program as Ackerson's subordinate. The remaining SPARTAN-III's were offered to be integrated into the SPARTAN-IV Program. [3]