Amphibious warfare is the use of naval firepower, logistics and strategy to project military power ashore. In previous eras it stood as the primary method of delivering troops to non-contiguous enemy-held terrain. In this modern era amphibious warfare persists in the form of commando insertion by fast patrol boat

Patrol boat

A patrol boat is a relatively small naval vessel generally designed for coastal defense duties.There have been many designs for patrol boats. They may be operated by a nation's navy, coast guard, or police force, and may be intended for marine and/or estuarine or river environments...

s, zodiacs

Zodiac Group

Zodiac, which became Zodiac Aerospace in 2007, is a French corporation, specialized in the production and development of on-board systems, safety systems and cabin interiors...

 and mini-submersibles

Midget submarine

A midget submarine is any submarine under 150 tons, typically operated by a crew of one or two but sometimes up to 6 or 8, with little or no on-board living accommodation...

.

In the modern era of warfare, an amphibious landing of infantry troops on a beachhead

Beachhead

Beachhead is a military term used to describe the line created when a unit reaches a beach, and begins to defend that area of beach, while other reinforcements help out, until a unit large enough to begin advancing has arrived. It is sometimes used interchangeably with Bridgehead and Lodgement...

 is the most complex of all military maneuvers.