(Another AV8RSTUFF Creation): Helicopter Sea Combat Squadron 21 (HSC-21), nicknamed “Blackjacks”, is an aviation unit of the US Navy based at NAS North Island, CA. HSC-21 is made up of five expeditionary detachments that deploy aboard ships including Combat Logistics Force support ships, Hospital Ships and Amphibious Assault ships, among others. HSC-21 flies the Sikorsky MH-60S Seahawk helicopter currently. This patch was created for the “ladies” of the unit with the “QUEEN OF HEARTS” blowing a kiss…..and does not come with velcro attached..
