Beech 200 / Army Corps of Engineers U.S. Navy possibly equipped with a 300-hp

possibly equipped with a 300-hp HS-6D engine

The Orbiter and SRBs are reusable

Lockheed proposed a developed version of the L-188 Electra

Almost 300 tethered tests hanging from the ceiling of Moffett Field's airship hangar were made in April 1954

and passive/active underwater acoustic devices (sonobouys)

Beech 200 / Army Corps of Engineers U.S. Navy possibly equipped with a 300-hpArmy Corps of Engineers Beechcraft 200 aircraft. On October 27, 1972, Beech flew the prototype of a new and improved member of the King Air family which has become known as the Beech Model 200 Super King Air. This airplane differs from King Air 100s by having greater wingspan, the conventional tail unit replaced by a T tail, and increased fuel capacity for more powerful Pratt &amp, Whitney PT6A 41 turboprop engines. These changes make it possible for