The has a message for its retirees: Uncle Sam wants you to help fight the novel .

A message sent by Defense Finance and Accounting Services, which processes and dispenses retiree , asked troops who had previously served in specific health care specialties to consider "re-joining the team" to address the current pandemic crisis. It's signed by Lt. Gen. Thomas Seamands, deputy chief of staff for U.S. Army Personnel, G-1.

"These extraordinary challenges require equally extraordinary solutions and that's why we're turning to you -- trusted professionals capable of operating under constantly changing conditions," the message states.

"When the Nation called -- you answered, and now, that call may come again."

The call was addressed to retirees from the following health care-specific military occupational specialties:

60F: Critical Care Officer60N: Anesthesiologist66F: Nurse Anesthetist66S: Critical Care Nurse66P: Nurse Practitioner66T: ER Nurse68V: Respiratory Specialist68W: Medic

The message came with a caveat: retired personnel now working in a civilian capacity in a hospital or other medical facility should make that known.

Army officials said they did not want to pull personnel from service they were "providing to the Nation" in that role. They added that former soldiers from a different specialty who were interested in supporting Army efforts should also reach out to communicate that interest.

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