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Jin Roh Production Diary has Miyazawa for c1151 (0:18-0:24), and c1154 (0:34-0:39)

both the Production Diary and e-sakuga has Yoshinari for c1158 (0:46-0:48), and the latter also has him for c1162 (1:00-1:06)

I would say Miyazawa filled in most of the gaps in the scene.
The explosion just screams Yoshinari by style
The cut before the explosion was also made by Yoshinari, right?
After all, shooting effects are the same as what Yoshinari has handled since he joined Gainax.