Amphibious Land Water Action Organized An  Adjective From 

am·phib·i·ous
 \\am-ˈfi-bē-əs\\ adjective1. combining two characteristics
2.
  a. relating to or adapted for both land and water
      amphibious vehicles
  b. executed by coordinated action of land, sea, and air forces organized for invasion
      an amphibious landing
   also : trained or organized for such action
      amphibious forces
3. able to live both on land and in water
    amphibious plants
• am·phib·i·ous·ly adverb
• am·phib·i·ous·ness noun

am·phib·i·ous
\(ˈ)am|fibēəs, -aam-\ adjective
Etymology: Greek amphibios leading a double life, amphibious, from amphi- + bios life — more at 
1. : able to live both on land and in water
 < frogs, crocodiles and beavers are amphibious >
 < amphibious plants >
2. 
 a. : belonging to, adapted for, or consisting of both land and water
  < the amphibious character of an island people >
  < amphibious activities in a lakeside village >
  < an amphibious swampy country >
 b. 
  (1) : executed by coordinated action of land, sea, and air forces organized for invasion from the sea, usually employing warships, assault boats, landing barges, assault troops, aircraft carriers, and covering aircraft
  (2) : trained or organized for participation in such action
   < skill in amphibious warfare >
   < an amphibious corps >
3. : having or combining two lives, positions, or qualities
 < an amphibious existence, both mental and physical >
• am·phib·i·ous·ly adverb
• am·phib·i·ous·ness noun -es