Related Clues:

• Trained to have about five hundred worries
• About five hundred worries for the nuclei
• About five hundred worries for the bodies
• 'They're in the middle - of the army, by the sound of them (5)'
• Central sections
• Hearts 18 2
• Pear centers
• Delicious leftovers?
• Trained groups
• Core military groups
• Noisy campaign wins hearts
• Units having worries around eastern edge of battlefield
• Worries about Germany having fighting units
• Centers of apples
• Groups of specially trained fighters