Translate the following English sentence to French:
"We know that in politics, it is useful to have this option up your sleeve, as a complement to the rapidly mobilised military unit which falls within the remit of Mr Solana."
Nous savons qu' il est bon de conserver cette possibilité à portée de main, car elle vient compléter l' unité militaire d' intervention rapide placée sous le commandement de M. Solana.