He did not graduate, being called to military service in the Polish Army.

The unit was called to active service on 1 May 1951.

When the War of 1812 broke out, Armstrong was called to military service.

I believe God is calling me to full-time service.

Other times, he casts it as an "ask not" call to public service.

In October 1940 he was called, with his unit, the 27th Division, to federal service for 12 months training.

They appeared under the heading "Called to active military service."

Soon after the Korean war began, in 1950, he was called back to military service.

In 1916 he was called to national service during World War I.

In 1912, he was called to military service.