A (combat effectiveness) may pertain-to an aircraft.Logical formLearned from5 sentences. Factors may limit effectiveness.Logical formLearned from5 sentences. Healing may manifest effectiveness.Logical formLearned from5 sentences. Spells may manifest effectiveness.Logical formLearned from5 sentences. Effectiveness can be on offense.Logical formLearned from5 sentences. Information can be about effectiveness of drugs.Logical formLearned from5 sentences. A fleet may manifest effectiveness.Logical formLearned from5 sentences. (Flu vaccine) may manifest effectiveness.Logical formLearned from5 sentences. Fortification may manifest effectiveness.Logical formLearned from5 sentences. (Operating effectiveness) may undergo tests.Logical formLearned from5 sentences. A designation may manifest effectiveness.Logical formLearned from5 sentences. Effectiveness may be understood.Logical formLearned from5 sentences. Criteria may include effectiveness.Logical formLearned from5 sentences. Studies may show effectiveness.Logical formLearned from5 sentences. (Enemy fire) may manifest effectiveness.Logical formLearned from5 sentences.