Complex sentence: It transported 101,266 pounds of cargo, including engines and propellers for the B-36, from San Diego to Kelly Air Force Base, a record it would later break when it lifted 104,000 pounds from an airfield at 5,000 ft elevation.
Split into simpler sentences: It transported 101,266 pounds of cargo, including engines and propellers for the B-36, from San Diego to Kelly Air Force Base. A record it would later break when it lifted 104,000 pounds from an airfield at 5,000 ft elevation.