Action of 7 September 2009
The Action of 7 September 2009 took place when the German frigate , taking part of Operation Atalanta , chased and captured a pirate skiff south of Mukalla , in the Gulf of Aden , after suspicious activity was spotted on the small vessel by the frigate's helicopter during a reconnaissance mission . 
<triplet> Operation Atalanta <subj> Gulf of Aden <obj> location