Brigadier General Mihiel "Mike" Gilormini Pacheco was a United States Air Force officer who served in the Royal Air Force and in the United States Army Air Forces during World War II. He was the recipient of the Silver Star, the Air Medal with four clusters and the Distinguished Flying Cross 5 times. He was also a co-founder of the Puerto Rico Air National Guard.

The Puerto Rico Air National Guard (PR ANG) —Spanish: Guardia Nacional Aérea de Puerto Rico— is the aerial militia of the Commonwealth of Puerto Rico, an unincorporated territory of the United States of America. It is, along with the Puerto Rico Army National Guard and the Puerto Rico State Guard, an element of the Puerto Rico National Guard. After beginning as four units, the PRANG expanded to 11 units by the 1980s, including the 1956th Tactics Combat Group, the 140th Radar Squadron and others.