Final answer:
The question asks about where the 1626/7 should be stored after CO's mast.
Step-by-step explanation:
The question seems to be referencing a historical event related to the CO's mast. Without further context, it is difficult to determine precisely what the question is asking. However, based on the provided information, it is possible that the 1626/7 is a date or a reference to some sort of item or document. In order to provide a more accurate answer, please provide additional details and context related to the CO's mast and the 1626/7.