|First Appearance||A More Perfect Union|
|Last Appearance||A More Perfect Union|
|Allegiance||1st Continental Army|
|Occupation||U.S. Military Soldier (Pre-Invasion)|
Gravley is a former U.S. Military soldier, and is now member of the 1st Continental Army.
After the Rebel Skitter's infiltrate Charleston, Gravley is one of the soldiers who aim their rifles at them on Cole Bressler's order. The soldiers are forced to stand down after the 2nd Mass shield the skitters. It is unknown what happened to Gravley after the Volm landed, as he has not be seen there is a good chance that he was killed in one of the Espheni attacks.
|Season 2 appearances|
|Worlds Apart||Shall We Gather at the River||Compass||Young Bloods||Love and Other Acts of Courage|
|Homecoming||Molon Labe||Death March||The Price of Greatness||A More Perfect Union|