British submarines B6-B11 sent to Gibraltar and Malta according to the magazine Mitteilungen aus dem Gebiete des Seewesens dated 1911 No. 10

 An item reported the recently departure of six British submarines namely the B6-B11. Three were sent to Gibraltar, the other 3 towards Malta. This was an older type than then 3 C-type begin 1911 sent to China. Totally were 36 submarines to in series of 6 be divided over the stations Hong Kong Singapore, Colombo, Aden, Malta and Gibraltar.