well Nimitz class carriers carry upto 90 aircraft and are the largest ships on the planet. They are also very difficult to destroy coz they travel in carrier groups and are accompanied by destroyers, frigates, subs etc. firstly spotting one in the ocean is like finding a needle in a hay stack, secondly, its radars and network of ships can monitor over 1000 miles radius of air. So any attempt on a USN carrier will very quickly result in having to face an armada of Super bugs armed to the teeth and Aim-120 Cs and soon Aim-120Ds which can easily intercept cruise missiles. moreover a super carrier is usually escorted by one or two deadly AEGIS armed ship which depending on the model can carry anywhere between 88 to 122 SM-2/SM-3 intercetors capable of destroying aerial targets between 74 km to 500km and this is by far the most well tested and proven naval air defence system in world, well any direct attack on a US carrier will quickly turn nasty since they also carry nukes, to mess with them is suicide and a war to the end. I think we should have 2 home made ADS class ships, one Gorshkov and 2 nuke powered super carriers. 3 for our maritime defence and 2 nuke powered carriers for attack roles and force projection.