Hahaha! An amphibious assault isn't exactly quiet Ray. Have you seen one personally?
Helicopters flying at low levels up ahead, very loud amphibious assault vehicles and tanks, firing their guns as they go, ship based gun and guided rocket support, landing craft with those very big, loud engines, marines shouting and being shouted at etc etc. It isn't the most quiet environment.
Hovercraft can come in carrying a 50 ton tank flying over the water at more than 40 knots at hour at a range of over 300 km. They're top max speed goes up to almost 70knots. True over-the-horizon amphibious assaults aren't possible with the slower, short-legged traditional landing craft. And as a plus, that hovercraft can maneuver on land and deliver its heavy armor payload several miles inland as opposed to landing craft that can only beach.
Indeed I have seen them.
Our Coast Guard has them.
I would not like to base my ideas of amphibious operations on gung ho war movies or the Rambo and Jackie Chang fantasies!
Helicopters, air force, artillery and the amphibious operation are on, right?!
Think again.
Neither would be a similar to a beach landing in Normandy. The world has changed and the militaries are geared up with modern weapons and surveillance systems.
What in your opinion would constitute an amphibious force?
And how will it be fought?
Do you think in the initial stages, a helicopter has a ghost of a chance with hand held AD and AD weapons?
Do you realise that given the composition of the amphibious force, what would be the number of ships to ferry such force that has troops, tanks, artillery, combat support echelons, combat service support echelons, helicopters and the tonnage to sustain the force, if it can achieve its mission?
Can you visualise the situation when the Beach Head is being taken?
Do you think it is a cakewalk?
The greatest obstacle to amphibious operations, whether in times of international conflict is that area between the point of departure – a transport ship at anchor offshore, or formal port within sailing distance of the destination – and the beach or landing point.
Any amphibious force is at its most vulnerable during the transition from water to land. In war, this area will be strongly defended by an enemy, while changeable beach gradients, unsurveyed obstacles and mis-forecast weather conditions all take their toll on accurate predictions – and the safe arrival of a displacement vessel.
And as the amphibious infantry sails in and then disembarks to move and land, it is met with opposition. Soft skinned Hovercrafts and the troops therein have no hope in hell! Why? They are huge targets. Check the silhouette!
Other military disadvantages are that: it is soft skinned and thus the crew and payload bay are vulnerable to small arms fire; it is certainly noisy, although with ducts and modern propeller designs it is becoming less so; and it has a small payload/tonnage ratio.
Operating Hovercraft in ROUGH sea condition is not feasible!
Can one predict the sea conditions?
They are useful for support once the beachH has been taken, provided they have been brought on ships.
One must not forget the Hovercrafts are huge and not small like inflatable boats and they take a lot of space and so add to the flotilla!
If Chinese Admirals and Generals are like you, life would be a ball!