Aerial surveillance may undergo an escalation.Logical formLearned from3 sentences. Unmanned aerial vehicles may replace pilots.Logical formLearned from3 sentences. An aerial combat can be large-scale.Logical formLearned from3 sentences. An aerial bombardment may make for viewing.Logical formLearned from3 sentences. Aerial surveillance may consider that something-is-the-case.Logical formLearned from3 sentences. Aerial surveillance may confirm an (oil spill).Logical formLearned from3 sentences. Aerial attacks may use jets.Logical formLearned from3 sentences. A camp may come under aerial bombardment.Logical formLearned from3 sentences. A competition can be for an aerial tanker.Logical formLearned from3 sentences. An aerial bombardment may pertain-to a city.Logical formLearned from3 sentences. Aerial bombardment may be devastated.Logical formLearned from3 sentences. Aerial bombardments can be constituted-of-or-filled-with military bases.Logical formLearned from3 sentences. An aerial bombardment may be devastated.Logical formLearned from3 sentences. An unmanned aerial vehicle may be identified.Logical formLearned from3 sentences. Aerial surveillance may pertain-to a border.Logical formLearned from3 sentences.