What Museums to Visit in Normandy?

[FarAway Sooner]

Visiting the D-Day beaches has been on my bucket list ever since I knew about bucket lists, and my family is traveling to France next summer.  We're staying at Normandy for two nights.  Any recommendations where we should go? 

I'm relatively familiar with the history of the area from the zillion books I've read on D-Day and the various war games I've played, but I have no idea where the best museums, memorials, etc. are.  I'd appreciate any recommendations from my fellow grogs!