What are some great inventions created during war times?

 Throughout history, wars have often led to the development of new technologies and inventions. Some examples of inventions that were created during war times include:

• The tank: The first tanks were developed during World War I as a way to break through enemy defenses and provide protection for soldiers.
• The airplane: The airplane was first used for military purposes during World War I, primarily for reconnaissance and bombing missions.
• The jet engine: The jet engine was developed during World War II, and revolutionized air travel and warfare.
• The nuclear bomb: The nuclear bomb was developed during World War II, and has had a significant impact on global politics and international relations.
• The satellite: Satellites were developed during the Cold War and have had a major impact on communication, navigation, and military surveillance.
• The internet: The internet was developed in part for military purposes, as a way to communicate and share information between military bases and other locations. It has since become a global network that has transformed many aspects of modern life.