Yes. Radar was used on major warships by all the major powers at some point during WW2. The US and UK had an advantage in that their radar was developed and equipped earlier in the war.
The standard large warship radar for the US was CXAM.
teak wood
US battleships, with the one exception of the USS Kearsarge, were named after US states. US cruisers were named after US cities; US destroyers were named after US Sailors or Marines; US submarines were named after fish. US fleet & light carriers were named after Revolutionary War battles or ships. US escort carriers, also known as jeep carriers were named after US bays.
Emmanuel J. Lobato, who commandered the San Juan. battleships, destroyers, and carriers.
There was no battle that got the US into WW II. In Europe, we came to the aid of our allies, Britain and France, whom Germany had declared war on. In the Pacific Ocean, the Empire of Japan attacked Pearl Harbor in Hawaii, and sank all the battleships, there, and killed a number of military and civilian people, then declared war on the US. The US declared war on Japan, and thusly got into that part of the War.
After World War 2, the US had the strongest economy in the world.
Carriers, Battleships, Cruisers, Destroyers, and Subs
teak wood
No US battleships were sunk during the Viet Nam war.
yes
Answer Steel, steel and more steel. However the main decks were wood-covered.
Radar and Atomic bomb.
No, not as ground forces, although they did serve in France during World War 1. US Navy battleships and cruisers in the European Theater during World War 2 would have typically carried a small number of US Marines.
I'm sure you mean "attacked", and I think you mean "warships", not battleships. I'm also sure the answer is "none", if you mean during the period leading up to the entry of the US in WWI.
Radar, jets, rockets, Atom Bomb, Penicillin
USS Arizona, USS Utah, and USS Oklahoma are still on the bottom. However, the battleships USS Pennsylvania, USS New York, USS Nevada, and USS Arkansas are also on the bottom...sunk as targets after the war.
US battleships, with the one exception of the USS Kearsarge, were named after US states. US cruisers were named after US cities; US destroyers were named after US Sailors or Marines; US submarines were named after fish. US fleet & light carriers were named after Revolutionary War battles or ships. US escort carriers, also known as jeep carriers were named after US bays.
The USA joined in the war because the USA was part of the Triple alliance in the first place, and after Germany attacked the USA's submarines and battleships, they then joined the war in 1917.