command designation造句

Inactivated in April 1944 with re-organization of training command designations.
On 1 January 1993, Air Training Command absorbed Air University and changed the command designation to Air Education and Training Command ( AETC ).
The U . S . Navy will also refer to this flag as a Commodore's " command pennant . " In the U . S . Navy, the blue and white pennant will contain either numbers or letters indicating the command designation or name.
It's difficult to find command designation in a sentence. 用command designation造句挺难的