With a shortage of artillery, the Manila Naval Defense Force made extensive use of naval guns cannibalized from the partially sunken IJN ships in Manila Bay.

Although a late development, the Japanese would use rocket artillery to great effect during the fighting in Manila.

The 240mm M1 was a super-heavy howitzer employed by the US Army to destroy strong fortifications.

The Japanese Type 96 was a 25mm anti-aircraft cannon that was salvaged from wrecked ships in Manila harbor and deployed across the city by the MNDF in late January of 1945.