When did the formal ceremony "casing of colours" take place marking the withdrawal of the US forces from Iraq?

When did the formal ceremony "casing of colours" take place marking th

1.	When did the formal ceremony "casing of colours" take place marking the withdrawal of the US forces from Iraq?
A.	01-12-2011 12:00:00 AM
B.	01-10-2011 12:00:00 AM
C.	01-11-2011 12:00:00 AM
D.	01-01-2012 12:00:00 AM
Answer» B. 01-10-2011 12:00:00 AM