Which aircraft are capable of transporting the Sentinel?

The correct answer indicates that the C-141B, C-130, C-17, and C-5A aircraft are all capable of transporting the Sentinel. This is because these aircraft possess the necessary cargo capacity and operational range to accommodate the Sentinel’s dimensions and weight.

The C-141B and C-130 are known for their versatility in airlift operations, with the C-141B being a large military airlift aircraft that can handle substantial cargo. The C-17 is a large military transport aircraft designed to carry oversized cargo, making it well-suited for transporting equipment like the Sentinel. The C-5A, being one of the largest cargo aircraft in the U.S. Air Force's inventory, also provides the necessary space and capability.

In contrast, options suggesting that only specific aircraft or limited categories like medium-lift helicopters can transport the Sentinel are too restrictive and do not account for the full range of military airlift capabilities. These helicopters, while useful for certain types of missions, typically lack the sufficient cargo space needed for transporting larger systems like the Sentinel. Therefore, the comprehensive capabilities of the listed aircraft make them suitable for this role.