When the U.S. looked to build a supersonic airliner, the Lockheed L-2000 came within reach of becoming a commercial mainstay.

The Tu-144, developed by the Tupolev Design Bureau in the 1960s, was the Soviet Union's answer to the Concorde, marking the ...

Lockheed Martin (LMT 1.41%) is a leading global security and aerospace company. It operates four business segments based on the products and services it offers government and commercial clients: ...