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US Naval vessels are still screened when moving. But all of those WWII vessels were used up during the Vietnam era, and have since been replaced by sophisticated computers which have enhanced aircraft/submarine/missile defenses.
Stated another way, US naval vessels aren't crossing oceans the way you see them on old WWII television films; a convoy ringed by destroyers (although it can still be done). 21st century naval vessels still cross oceans, but with the technology mentioned in the first paragraph. The ships move, and are monitored the whole way...if and when trouble erupts, that technology is activated.
What else can I help you with?
What kind of ships did the Polynesia use?
Double hulled ships, outriggers Double hulled ships, outriggers
How did technology help European sailors during the age of exploration?
The technology in the 1400-1500's made ships better for sailing by the use of rudders, moveable sails, and larger ships. Navigating became better through the use of the astrolabe and better compasses. Mapping also was better.
What where the navigational tools the sailors could use during the 15th century?
Compass and astrolabe. Along with larger ships and the movable sail it allowed for exploration.
What transportation did Giovanni use?
he used ships
What are ships to ship signal flag communications?
It is a semaphore. They use flag signals to communicate with other ships.
What was used to transport goods?
If you are talking about during revolution times then they would use ships, but if you are talking about transporting goods today, then they would use planes, cargo ship,anything that could go one place to another basically.
Do ships use Global Positioning System?
They sure do.
What are non commissioned naval ships in wartime called?
Non-commissioned naval ships in wartime are often referred to as "auxiliary vessels" or "merchant navy ships." These vessels are typically civilian ships that are requisitioned by the navy for military use, such as transporting troops, supplies, or serving as support ships. They do not have the same level of combat capabilities as commissioned warships.
What did European sailors not use during the Age of Exploration?
viking ship designs
How do you use the word Circulatory System in a sentence?
The circulatory system involves you heart, veins, arteries, capillaries, and blood.
Why do people use torpedoes?
Torpedoes are used during a time of war to sink other ships.
What do you use an oil tanker for?
Transporting Oil.
How do Muslims use monsoons for trade?
To my own information: they use its wind system to activate their boats and ships (as there were no engines at that time). They also make use of the rain associated with these monsoons to secure their water needs during their long period travels. Any more input and/or modifications are welcomed.
How did Americans protect ships from German U-boats?
The use by British and the Americans of a convoy system (40-70 ships) and the development of more effective anti-submarine weapons such as depth charges and radar helped protect Allied merchant ships.
Why is it advantageous for plants to have water transporting cells that are dead?
For one the cells do not use the water they are transporting. Rigidity of structure, for another reason.
What were the new ways of defending british merchant ships in World War 2?
The use of the convoy system , sonar and depth charges .
What did people use to get to America?
Ships. They came over on SHIPS!
