When does the Halo Reach beta come out

The multiplayer beta will come out this May 3rd,
It will include three maps to play on!
The full Halo: Reach game will be coming out in September.

Yes, May 3rd, under the extras menu in Halo ODST. It includes 2 maps. And the beta ain't found on the extra menu. Its at the main menu. It says "Play Beta"