HGK

The HGK guidance kit (HGK, Turkish: Hassas Güdüm Kiti / Precision Guidance Kit), developed by TÜBİTAK-SAGE, is a GPS/INS guidance kit that converted bombs ranging from 227 kg (500-lb) to 907 kg (2000-lb) Mark 80-series munitions into smart bombs. A CAMGÖZ (glass eye) laser seeker, resistant to countermeasures, and with over 315 degrees of view angle. It enabled precise strike capability in all weather conditions with long range (up to 24 km) at a dispersion of 6 m (20 ft).
The kit could be used with Mark 84, Mark 83, and Mark 82 bombs.