What is the all-up round weight of the GBU-53?

The all-up round weight of the GBU-53, also known as the Small Diameter Bomb II (SDB II), is correctly identified as 210 lbs. This weight refers to the total mass of the bomb ready to be deployed, which includes the guidance system, warhead, and any other integral components necessary for its operation. Understanding the specific weight of munitions like the GBU-53 is crucial for ensuring aircraft can carry the load effectively and for maintaining the desired balance and performance during flight. Accurate weights are also important for mission planning and logistics, as they directly influence the selection of aircraft as well as loadout configurations. Knowledge of such specifications helps in maximizing effectiveness during combat scenarios.