The Japanese military leadership referred to the attack Attack as the Hawaii Operation Military_operation and Operation Military_operation AI , and as Operation Military_operation Z during its planning Arranging .

A final series of four tests Testing in August and September 1958 , known as Grapple Z , tested Testing techniques for boosting Cause_to_make_progress and making Manufacturing bombs immune to predetonation caused Causation by nearby nuclear explosions .

Operation Military_operation Rimau was an attack Attack on Japanese shipping in Singapore Harbour , carried out Action by an Allied commando unit Z Special Unit , during World War II using Australian built Building Hoehn military MKIII folboats .

KaZantip , also known simply as `` Z '' , is an electronic dance music festival that took place every year from 1992 to 2013 on the Crimean Peninsula ; from 2002 to 2013 , it was held in the village of Mysovoye , near Shchelkino .