Houses, or can house (through specialized variants), radar equipment for searching, tracking, and engagement of enemy elements.
Inherent ability of airframe to take considerable damage.
Fuselage volume includes space for internally-held weapons or special-mission equipment.
EXTENDED RANGE PERFORMANCE
Capability to travel considerable distances through onboard fuel stores.
Ability to operate over ocean in addition to surviving the special rigors of the maritime environment.
Design incorporates feature(s) that facilitates loading / unloading of cargo / personnel from the aircraft.
Design features ability to fly sans pilot, actions controlled onboard through programming and / or ground-based operator.
Payload supports photographic equipment providing still and / or real-time image / video results.