During the three years at Polebrook, the 351st B.G. had a total of 279 B17 Flying Fortresses on charge. These flew 9,075 sorties with 7,945 of them dropping 20,778 tons of bombs.

The gunners in the Group fired off 2,776,028 rounds of ammunition and were credited with destroying 303 enemy aircraft.

The Group flew 311 credited missions and lost 124 B 17's in combat.