E-4B NEACPBoeing E 4B NEACP air force airplane model. The E 4B NEACP is a vital asset for the National Airborne Operations Center (NAOC) and the National Command Authorities. In the event of a national emergency or loss of ground command control centers, this aircraft provides a cutting edge, highly resilient, command, control, and communications platform to lead U. S. forces, carry out emergency war directives, and collaborate with civilian officials. With