Soyuz 7K-ST No. 16L Soyuz Soyuz 7K-ST No. 16L was a Soyuz spacecraft which failed to launch on 26 September 1983. The Launch Escape System activated at approx T-90, six seconds before the launch vehicle exploded. It was intended to transport two cosmonauts to Salyut 7. The crew was Vladimir Titov and Gennady Strekalov.