Battle for FSB Mary Ann - Combat Commo - 1st Bn 46th Infantry w VN SVC Baseball T-Shirt

The Battle of FSB Mary Ann occurred when Viet Cong (VC) sappers attacked the U.S. firebase located in Quảng Tín Province, South Vietnam early on the morning of 28 March 1971. On the early morning of 28 March sappers from the VC 409th Sapper Battalion approached the wire of FSB Mary Ann and took up positions to launch an attack. The exact number of sappers involved is uncertain, but most sources agree that there were at least 50. The battle at FSB Mary Ann inflicted serious losses on the defenders, who suffered 33 killed and 83 wounded.