There are 9 active-duty naval mobile construction battalions (NMCBs) — known as C.B.'s ("Seabees") — in the United States Navy, split between the east and west coasts.
United States Naval Academy | Mobile, Alabama | Battalion | T-Mobile | Naval Postgraduate School | Naval War College | mobile phone | Royal Naval Air Service | Naval Reserve | Mobile phone | Office of Naval Research | Mobile | Construction | Chief of Naval Operations | battalion | Mobile Suit Zeta Gundam | Guantanamo Bay Naval Base | Windows Mobile | mobile | Naval mine | Naval Criminal Investigative Service | naval | Naval fleet | Office of Naval Intelligence | Britannia Royal Naval College | construction | Captain (naval) | Naval Station Norfolk | Mobile Suit Gundam | Virgin Mobile |