https://www.gov.uk/government/publications/statement-of-service-form-c9
Statement of service: Form C9 - GOV.UK
Use this form to give details of service of an application or notice.
statement of serviceformc9uk
https://www.familysearch.org/en/search/collection/3010045
Ohio, World War I Statement of Service Cards, 1914-1919
Index and images of statement of service cards for Marine Corps, Navy, and out of state enlistments.
world war istatement of serviceohiocards1914