DSCS-2 Satellite
US Airforce
HISTORICAL OVERVIEW SPACE &amp; MISSILE SYSTEMS CENTER 1954-1995 by Timothy C. Hanley and Harry N. Waldron of the SMC History Office - Los Angeles AFB, CA (Mirrored on <a rel="nofollow" class="external free" href="http://www.fas.org/spp/military/program/smc_hist/SMCHOV10.HTM">http://www.fas.org/spp/military/program/smc_hist/SMCHOV10.HTM</a>)