Boeing 737-700 Delta Airlines World War I Although the airplane was originally

Although the airplane was originally intended for level bombing from medium altitudes

with a maximum cruising speed of 566 mph

and the first bomber to house its crew in pressurized compartments

but it was also used in a variety of other ways which included flying ground attack (gunship)

was designed during WW II

Boeing 737-700 Delta Airlines World War I Although the airplane was originallyDelta Airlines 737 airplane model. The 737 was conceived as a short range small capacity airliner to round out the Boeing jet airliner family beneath the 727, 720 and 707. Announced in February 1965, the 737 was originally envisioned as a 60 to 85 seater, although following consultation with launch customer Lufthansa, a 100 seat design was settled upon. Design features included two underwing mounted turbofans and 60% structural and systems commonality