The 'Jump-jet' was the world's first vertical/short take-off and landing operational jet aircraft (VSTOL). Developed using the revolutionary Pegasus engine, the... » 

The 'Jump-jet' was the world's first vertical/short take-off and landing operational jet aircraft (VSTOL). Developed using the revolutionary Pegasus engine, the Harrier has served the RAF and US Marine Corps well for over 30 years. This work tells the story from tentative hovering by the Hawker P1127 in 1960 to the Harrier GR9 and AV-8B warplanes. «