Artillery firing recordings

Author: Iwan Gabovitch (qubodup).
Source: https://opengameart.org/content/tiny-naval-battle-sounds-set
Archive: qubodup-NavalBattleSoundSet-cc0_0.7z (version 2).
License: CC0 — https://creativecommons.org/publicdomain/zero/1.0/
artillery_shot.ogg: original ogg/GunShot.ogg.
artillery_shot_reverb.ogg: original ogg/GunShotGverb.ogg.
Files copied without alteration; playback volume and pitch are controlled in game.