In command hierarchy , it would be deemed ordinary if an officer of unit `` A '' gives orders directly to a lower-ranked member of unit `` B '' .
If an officer of unit `` A '' does give orders directly to a lower-ranked member of unit `` B '' , it would be considered highly unusual ( a faux pas , or extraordinary circumstances , such as a lack of time or inability to confer with the officer in command of unit `` B '' ) as officer `` A '' would be seen as subverting the authority of the officer of unit `` B '' .
Command hierarchy