(Observation planes) may be send_uped during amphibious operations.Logical formLearned from2 sentences. Amphibious assaults can be upon a continent of a continent.Logical formLearned from2 sentences. An (assault landing craft) can be amphibious.Logical formLearned from2 sentences. (Raider forces) can be amphibious.Logical formLearned from2 sentences. A class can be a class of some amphibious (assault ships).Logical formLearned from2 sentences. An (assault role) can be amphibious.Logical formLearned from2 sentences. Amphibious landings may take place.Logical formLearned from2 sentences. An amphibious assault can be powerful.Logical formLearned from2 sentences. Amphibious assaults can be operations.Logical formLearned from2 sentences. Amphibious operations can be against a country.Logical formLearned from2 sentences. A role can be in amphibious operations.Logical formLearned from2 sentences. An era can be in amphibious warfare.Logical formLearned from2 sentences. A basis can be for a campaign of amphibious assault.Logical formLearned from2 sentences. Opposition can be to an amphibious landing.Logical formLearned from2 sentences. Airborne troops may drop after amphibious landings.Logical formLearned from2 sentences.