Marines' top goal: 3 amphibious ready groups at sea / South Korea holds large-scale amphibious landing exercise / Kazakhstan unveils new amphibious combat vehicle / China's naval flotilla conducts amphibious drills in disputed waters / TSK's amphibious soldiers part of vital operations abroad, at home / Amphibious ATVs are alternative to helicopters in Arctic cargo deliveries -- expert / US Marines test amphibious combat vehicles in Okinawa waters / Swedish and US marines practise amphibious landings in Stockholm's archipelago / China develops new light tank for amphibious operations