CIA once spent ₹130 crore to train cats as spies
The Central Intelligence Agency (CIA) of the United States launched 'Project Acoustic Kitty' in the 1960s to train spy cats. The agency reportedly spent over ₹130 crore ($20 million) to install a microphone and a transmitter inside a cat. This was aimed to allow the cat to record and transmit sound from its surroundings. However, the project was later cancelled.