Eagle-eyed reader Sean spotted a recent photo showing Marines with the Maritime Interception Operations (MIO) assault force using blue/training Brügger & Thomet MP9 submachine guns.

Full size photo here.

The caption of the photo is …

Marines with the 26th Marine Expeditionary Unit’s Maritime Interception Operations (MIO) assault force attach a cave ladder with a telescopic pole to HNS Aris during their final exercise at Souda Bay, Crete, Greece, Nov. 12, 2010. The MIO assault force went through a one-week course at the NATO Maritime Interception Operations Training Center in tactics to board a suspect vessel. (Official USMC Photo by Master Sgt. Christopher Matt/ Released)

[ Many thanks to Sean for emailing me the link. ]