The Space Force has reopened its Interservice Transfer Program, seeking “several hundred officer and enlisted” personnel from other branches of the armed forces.

The latest round marks the first time in three years that the service has offered the transfer process.

The program allows eligible members of the Army, Navy, Air Force, and Marine Corps to become guardians.

The new application period began Sept. 15 and continues through Oct. 2.

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“All eligible ranks and career fields may apply, but the Space Force is particularly interested in mid-grade officers and enlisted service members with space-related experience,” a Space Force spokesperson said.

The service is looking for officers with experience in intelligence, cyber operations, space operations, engineering, and acquisitions.

Applicants who can serve in intelligence, cyber, or space fields without retraining will receive priority selection and consideration, according to the force.

Space Force also published a guide showing how occupational specialties across the other military branches correspond with positions available to guardians.

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That guidance gives prospective applicants a clearer picture of where their existing experience could fit within the service.

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Applicants must submit a service brief and their five most recent performance reports. They also need to provide their latest physical fitness assessment and a signed transfer endorsement from their unit commander.

The required paperwork includes documentation of any religious accommodations.

The source specifically noted accommodations involving facial hair among the records that applicants must submit during the process.

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Service members selected for transfer will accept a four year active duty service commitment.

The interservice transfer board is scheduled to begin its work in November.

Beginning in January 2027, the board will announce which applicants have been approved to make the move into Space Force.

Those selections will provide the service with personnel drawn from several established military career fields.

Space Force met its recruiting goals this year within only a few months. Even with that recruiting success, the service’s leadership has said it intends to double the size of the relatively small military branch.

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Approximately 10,000 guardians currently serve in the ranks.

Chief Master Sergeant of the Space Force John Bentivegna told Congress earlier this year that the expansion goal was “entirely achievable.”

Bentivegna also said the goal had been established to meet what he described as a “national security necessity.”

The renewed transfer process offers Space Force another route for bringing experienced military personnel into its growing ranks.

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The service is restarting the program to meet “midgrade requirements and account for the service’s steep growth as projected,” the Space Force spokesperson said.

The stated focus places particular attention on filling needs among personnel with experience beyond the entry level.

The previous interservice transfer round involved applications reviewed in late 2023.

Personnel selected during that process entered active duty service with Space Force in 2024.

Not every military component is eligible for the latest transfer opportunity.

Members of the National Guard, Reserve, and Coast Guard cannot enter Space Force through this iteration of the Interservice Transfer Program.

Warrant officers also cannot apply because Space Force does not have that type of rank structure.

Service members with “derogatory information,” including convictions or punitive removal from command, are barred from consideration as well.

Space Force originated from the Air Force, and its first group of guardians consisted of personnel who transferred into the newly created service.

Additional military personnel moved into Space Force during later years before the interservice program paused for three years.

The latest application round now gives eligible active duty personnel in four branches another chance to join.

The process emphasizes experienced applicants whose existing skills match the intelligence, cyber, space, engineering, and acquisition requirements identified by the service.

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