(Joint drills) may pertain-to a country.Logical formLearned from5 sentences. A nuclear-powered submarine may perform a drill off a us-state.Logical formLearned from5 sentences. Part may pertain-to military drills.Logical formLearned from5 sentences. A military-or-other-action-organization may conduct drills.Logical formLearned from5 sentences. A (war drill) may pertain-to a country.Logical formLearned from5 sentences. Military drills can be off a coast.Logical formLearned from5 sentences. A (missile drill) may go wrong.Logical formLearned from5 sentences. Armed forces may stage a drill.Logical formLearned from5 sentences. Drills may pertain-to week.Logical formLearned from4 sentences. Forces may be engaged in drills.Logical formLearned from4 sentences. Some soldiers may participate in a drill.Logical formLearned from4 sentences. A live-fire drill can be part of exercises.Logical formLearned from4 sentences. A spokesman may pertain-to a drill.Logical formLearned from4 sentences. A spokesman of a drill may be quoted as saying.Logical formLearned from4 sentences. Drills can be part of an exercise.Logical formLearned from4 sentences.