Excerpt from System Development Corporation: Defining the Factory Challenge The new company required increasing numbers of programmers to build sage and then a variety of other projects, and expanded from about 450 employees in 1956 to 3500 by For example, after completing sage by the late 19505, sdc designed a command-control system for the u.s. Strategic Air Command, saccs (sac Command and Control). The operating system alone, which ran on an ibm mainframe, exceeded 3 million lines of code, an astounding length for a program at that time.6 soc then went on during the 19605 to build other complex software systems for the u.s. Government to handle air defense and communications, satellite control, various types of simulations, and the Apollo space missions. Projects for the private sector included information management systems for hospitals, the National Science Foundation, state governments, airports, libraries, and other customers. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.