World war 2 words that start with x?

1. X-ray: X-rays were used extensively during World War 2 for medical purposes, such as diagnosing injuries and detecting foreign objects in the body.

2. XLR-04: The Bristol Experimental XLR-04 was an experimental liquid-fueled rocket engine developed by the United States during World War 2.

3. X-class submarine: X-class submarines were a type of small coastal submarines operated by the Royal Navy during World War 2.

4. XM1 Garand: The XM1 Garand was an early prototype of the M1 Garand rifle, which became the standard issue rifle for the United States military during World War 2.

5. Xerox: Xerox machines were used during World War 2 for quickly reproducing documents and blueprints.