BoomBlastExplosion on Instagram: "The 1200mm (48”) shell is the largest firework ever launched on record. It’s fired over open water for a reason — the blast radius is too extreme for land. This isn’t noise. It’s scale. The 1200mm doesn’t explode so much as it unfolds, flooding the sky with sustained combustion that feels more like a controlled atmospheric event than a firework. But don’t underestimate the Super Loud Salute bombs. While the 1200mm overwhelms your vision, the Salutes attack your