According to the According to the Motorola Owners’ Forum Manager, the Droid 3 “does not have an unlocked bootloader”. Motorola did promise unlocks in late 2011 so it seems that the Droid 3 along with other locked Motorola phone’s bootloaders will be unlocked via software updates.
The Motorola Droid 3 exclusive to Verizon right now is available for $459.99 full retail and $199.99 on contract which gets you a beautiful 4-inch qHD display, 8MP camera with 1080p video recording, a 1GHz dual core processor, 16GB of ROM, a 5 row QWERTY keyboard. The phone runs on Android 2.3 Gingerbread with Motorola’s Blur skin on top.
Source: Motorola Owners’ Forum