Six pitot tubes above and in front of the B-1B's active vibration damping system (Vanes) that smooths out the otherwise bumpy low-altitude ride.
Photo by Bob Nelson at the Grand Forks Air Force Base (GFAFB) 'Friends And Neighbors Day' on May 27th 1989.
The B-1B's offensive avionics include the Westinghouse (now Northrop Grumman) AN/APQ-164 forward-looking offensive passive electronically scanned array radar set with electronic beam steering (and a fixed antenna pointed downward for reduced radar observability), synthetic aperture radar, ground moving target indication (GMTI), and terrain-following radar modes, Doppler navigation , radar altimeter, and an inertial navigation suite. (Wikipedia)