The Starfleet Medal of Gallantry was an award given to Starfleet officers that exemplified extremely bravery during the performance of their duties.
In 2248, Captain Robert April of the USS Enterprise recommended that Una Chin-Riley receive the Starfleet Medal of Gallantry for her actions during the Marcel disaster.
By 2259, Lieutenant La'an Noonien-Singh was in consideration to receive the Starfleet Medal of Gallantry. (SNW: "Ad Astra per Aspera")