Which of the following is a platform under Navy Tactical Aircraft?

The F/A-18E/F Super Hornet is classified as a platform under Navy Tactical Aircraft due to its role in multi-role combat missions. This aircraft is designed for both air-to-air and air-to-ground operations, making it a vital component of naval aviation. The Super Hornet combines advanced avionics, weapons systems, and maneuverability, enabling it to perform a variety of missions, including fleet defense, close air support, and strike operations.

In contrast, the other options represent different categories of aviation platforms. The C-2A Greyhound is primarily a carrier-onboard delivery aircraft, used for logistics rather than tactical strikes. The P-8A Poseidon is primarily designed for anti-submarine warfare and maritime patrol, focusing more on reconnaissance and surveillance than on tactical engagements. Lastly, the MH-60R/S Seahawk helicopters are primarily utilized for anti-submarine warfare, anti-surface warfare, and search and rescue operations, rather than being classified as tactical aircraft in the same sense as the Super Hornet.