EC-6B 3/4 front view This is a Navy aircraft. The lumps and bumps are different radar and sensing apparatus.
It is a Boeing 707-320 equipped with GE-SNECMA CFM-56 engines. Its main role is as a communication and control platform and is called "TACAMO" (take charge and move out).
(thanks to Randy Jaquish for this info) More of:
This event ( 2001) This aircraft type (ec6b)