An active duty can be mandatory.Logical formLearned from4 sentences. Individuals can be on active duty.Logical formLearned from4 sentences. Tribes can be active.Logical formLearned from4 sentences. A male can be active in coaching.Logical formLearned from4 sentences. Reserve may be called to active duty.Logical formLearned from4 sentences. Images can be active.Logical formLearned from4 sentences. Active ingredients may be found in dietary supplements.Logical formLearned from4 sentences. (Mill towns) can be active.Logical formLearned from4 sentences. Jewish groups can be active.Logical formLearned from4 sentences. (Head-hunting companies) can be active.Logical formLearned from4 sentences. A parish can be active.Logical formLearned from4 sentences. Some (advocacy groups) can be active.Logical formLearned from4 sentences. Active sonar may reveal positions to (enemy forces).Logical formLearned from4 sentences. Active sonar may send a sound.Logical formLearned from4 sentences. Submarines may employ active sonar.Logical formLearned from4 sentences.