Support Grows for US Patrols in South China Sea

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defense – n.  the act of defending someone or something from attack

navigation – n.  the act of moving in a boat or ship over an area of water

nautical – adj.  relating to ships and sailing

trillion – n.  one thousand billion

murky – adj.  very dark or foggy

maritime  – adj.  relating to sailing on the sea or doing business by sea

patrols – n.  the act of walking or going around or through an area, building, etc., in order to make sure that it is safe