Possible Clues:

• Remnants of ammo
• Quiet chat with naval commander ignoring half the bursting shells
• Her plans burst into fragments
• Her plan's blown to bits (causing great pain?)
• Metal fragments from explosion
• Plans her rewrite with the little bits from Shell
• Metal bomb fragments
• When it bursts out of a cracked shell, it's hairy
• Her plans shot in pieces
• Pieces scattered by the bursting of a shell