1943's soundtrack is amazing, but quickly spoiled when you are below 20 energy and the warning music plays. This hack removes the warning music so you can enjoy Kumi Yamaga's stage music without interruption.
Database match: 1943 - The Battle of Midway (USA)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: 443D235FBDD0E0B3ADB1DCF18C6CAA7ECEEC8BEE
File CRC32: D131BF15
ROM SHA-1: 1E76A86398F069DA43B25351EF419BE664D630C5
ROM CRC32: 12C6D5C7