The Joint Direct Attack Munition is a guidance tail kit that converts existing unguided ... the 1,000-pound BLU-110/MK 83 or the 500-pound BLU-111/MK 82 warhead as the payload.

Ukraine's Su-27s are likely to start using the 454-kilogram Mark 83 bombs, which have been adapted to the JDAM-ER planning and correction kit, The Aviationist reports. The media outlet notes that ...