11. Despite hitting the post twice, Santo Andr?could not break down a professional Santos rear guard action . 12. A fine rear guard action by tailenders Gavin Robertson and Michael Kasprowicz pushed the score to 233. 13. Outnumbered, two French divisions fought a stubborn rear guard action for six hours before retreating in good order. 14. Tasks of the light infantry included advance and rear guard action , flanking protection for armies and forward skirmishing. 15. Following his instructions, the French division commander fought a rear guard action , drawing the Spanish troops toward Oms. 16. In this action, Ney's 17, 000 troops executed a brilliant rear guard action against over 63, 000 Russians. 17. Kenly chose to continue his withdrawal, his outmatched cavalry fighting a rear guard action against Flournoy's 6th Virginia Cavalry. 18. The Air Police Squadron was so overwhelmed that they were forced to fight a rear guard action before being annihilated. 19. Breckinridge's corps organized a rear guard action and held the Federals off, allowing the Army of Mississippi to safely retreat. 20. Washington's army was driven to the rear in disarray, but was saved from rout by Major General Nathanael Greene's rear guard action .