Possible Clues:

• Has potential to destroy, ultimately powerful
• Extremely
• Could Cockney sound grand?
• Arrogant people are often described as high and . . . . . .
• Powerful Russian fighter gained height on way to Yemeni capital
• Strong fighter with hit I missed on unknown
• Powerful aircraft at minimum height over end of runway
• Very powerful/strong
• Powerful figure, leader having changed
• Work of 23 10 could bark: time to die barking