This document compares the Lockheed C-130J Super Hercules and Boeing C-17 Globemaster III military aircraft. It discusses their key specifications and capabilities. While the C-130J has a longer range, the C-17 can fly higher and faster. The C-17 is also larger, can carry more payload, and seats more passengers. Experts note the aircraft serve different roles, with the C-130J operating within theaters and the C-17 transporting between theaters. Overall, the document concludes the C-17 Globemaster is a more capable aircraft.