Actually you write directly to the USAFA/RRS folks requesting the Presidential or other "military related" nominations.
Here's an example letter from USAFA (their website):
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SAMPLE LETTER
Use this format for any of these categories: Presidential, Children of Deceased or Disabled Veterans, Military or Civilian Personnel in a Missing Status, or Children of Medal of Honor Recipients.
Chief, Selections Division
HQ USAFA/RRS,
2304 Cadet Dr., Suite 200
USAF Academy CO 80840-5025
Dear Chief, Selections Division:
I wish to attend the U.S. Air Force Academy and to serve in the United States Air Force. I request a nomination under the (name of appropriate category) for the class that enters the Academy in June 20__.
My pertinent data is:
Name (print name exactly as it appears on the birth certificate, or if legally changed, attach a copy of the court order):
Social Security Number:
Permanent address (street, city, county, state, zip code):
Temporary address (if applicable):
Permanent phone number and area code:
Temporary phone number and area code (if applicable):
Date and place of birth (spell out month):
If member of military, include rank, regular or reserve component, branch of service and organizational address including PSC Box Number:
If previous candidate, indicate year:
Information on parents:
Name, rank, social security number, component and branch of service:
If your parent is on active duty, attach a statement of service dated and signed by current personnel officer specifying all periods of active duty and any breaks therein.
If your parent is retired or deceased, attach a copy of the retirement orders or casualty report; include Veterans Administration (VA) claim number and VA office where the case is filed, if appropriate; include brief statement with date and circumstances of Medal of Honor award, if appropriate.
Sincerely,
Signature
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The parents MUST be involved obviously since the military statement of service is required, but its all sent to USAFA.
Steve
USAFA ALO
USAFA '83