Training on a D-30 122mm howitzer at the 1st Battalion of the 368th Brigade. These along with the larger M-46 130mm towed field gun and D-20 152mm howitzer form the bulk of the PAVN's Soviet-derived artillery arsenal.
2 of the 3 listed artillery pieces above also exist as tracked self propelled guns in the form of the 2S1 Gvozdika and 2S3 Akatsiya. These are also in service with the People's Army of Vietnam.