High Quality Content by WIKIPEDIA articles! The concept of amphibious reconnaissance, or commonly amphib recon, are used primarily in conjunction with ground and naval reconnaissance concerning the littoral area bordering coastal or maritime areas of interests. Initially, it is used for preliminary reconnaissance in collecting pertinent information about the beachhead in its permeability and usability for main landing assaults. Specialized recon patrols skilled in boatswain and combatant diving using either amphibious vehicles or combat rubber crafts to obtain and collect information of the enemy, the topology ashore and inland, and hydrographic surveys for underwater obstacles and mines, and for the purpose of effecting a deception.