Ironsides

"Ironsides" most notably refers to the USS Constitution, a historic U.S. Navy ship launched in 1797, known for its resilience in battle—hence the nickname "Old Ironsides." The term symbolizes strength and durability, originally describing the ship's ability to withstand enemy cannon fire, which appeared to bounce off its hull like iron. Additionally, "Ironsides" has been used colloquially to describe various military units or individuals known for toughness and resilience. Overall, it connotes a powerful, enduring force capable of withstanding challenges.