Variants
- E-4A
- Three produced; later converted to E-4Bs. No bulge (housing equipment) on top of fuselage.
- E-4B
- Powered by 52,500-lb CF6-50E2 engines. Has electromagnetic pulse protection, nuclear and thermal effects shielding, advanced electronics, and a wide variety of communications equipment.
Read more about this topic: Boeing E-4
Famous quotes containing the word variants:
“Nationalist pride, like other variants of pride, can be a substitute for self-respect.”
—Eric Hoffer (1902–1983)