My experience is: no , you don't get credit after a reload.
My last experience was a wonderful convoy, 2 sunk and 2 wounded to death, I saved and went to bed.
Next day I loaded and wanted to watch the final steps of my success. They sunk, but I got no tonnage credit for it.
I reloaded again and shelled one of them with the deck gun, that worked for me.
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SH3 battle capability upgrades: GWX2.0, JSGME2.0, SH3Commander 2.7, SH3Gen 0.8.2, TorpDamageMod 2.0, OLC GUI 1.1.5
Awaiting combat readiness for GWX2.0: SH4 effetcs for SH3, SH3Weather 1.5
Following development of:
www.subwolves.com
Realism: 90%