No jet aircraft were used in WW1.

Airborne radar, jet aircraft and rocket aircraft.

One type of weapon that was not used in World War I was the atomic bomb. The technology was generated during World War II.

With the exception of the jet aircraft, the airplanes, warships, tanks, infantry weapons, wheeled vehicles, radios, artillery, etc. were ALL World War II weapons and equipment. Including many of the men fighting the war; many of them were veterans of WW2. For a list of those weapons see websites concerning WW2 weapons.

Radar, Jet Aircraft, Rocket Aircraft, Ballistic Missiles.