On the surface level, it seems like the US Navy committed a strategic folly when it decided to replace the venerable Grumman C-2A Greyhound carrier onboard delivery plane with a Bell Boeing CMV-22B Osprey tilt rotor. The newer and totally different rotary wing aircraft has 40% less total payload than the 1960s vintage fixed-wing tail hook plane it succeeded. However, there is a crucial caveat that made all the difference when America's Navy decided to trade in for a new cargo plane.
Unlike the Greyhound, the Osprey can carry the engine of the Lockheed Martin F-35C Lightning II. This is a vital mission in supporting the new USN Carrier Air Wing, which is now deploying the world's first carrier-capable stealth fighters in combat missions. Fitting the colossal jet engine into the Greyhound would have required a ground-up redesign of the plane's fuselage, which would have been a massive investment in a nearly obsolete platform.
Although the Navy did lose some raw payload capacity, it gained a massive amount of mission flexibility and the benefit of operational commonality with the US Marines. The USMC has a very large number of V-22 Ospreys, which are deployed daily aboard US Navy vessels. That makes maintenance and logistics much simpler, but also taps into a skill pool of technicians and air crew that has been refined for two decades to make the Navy's transition smooth.
New Era Of Carrier Onboard Delivery
Beyond the Marine Corps connection, the Osprey fundamentally changed how a Carrier Strike Group handles logistics, moving the Navy away from rigid, predictable Operations. The C-2 Greyhound was bound to the aircraft carrier's Flight Deck and airfields on the shore for every mission. If a C-2 Greyhound needed to pick up supplies near a conflict zone, it required a long, secure, paved military runway ashore.
The CMV-22B eliminates the middleman. It can fly parts, mail, or personnel from a shore base directly to a destroyer, cruiser, or amphibious assault ship. It can also land on dirt fields, beaches, open drop zones, or small helicopter pads ashore to retrieve critical supplies or evacuate wounded personnel. Additionally, the Osprey has a refueling probe that allows it to perform air-to-air refueling and extend its mission radius, which the Greyhound was never upgraded to receive.
Another game-changing advantage is night operations. The Navy considered the aging C-2 Greyhound too risky for routine night landings on carriers. The CMV-22B, equipped with modern night-vision systems and avionics, can land vertically on a carrier pitch-black deck at midnight, giving the fleet a true round-the-clock supply chain. Superior night ops capability significantly improves the operational flexibility of not only Air Wing but also the entire Carrier Strike Group.
More than that, the new ability is a force enhancement to the entire coalition as the US Armed Forces' pivot to the Pacific with a focus on joint domain operations in a distributed battle space. Likewise, the ability to resupply forces on remote islands without an airstrip is crucial in the Indo-Pacific. And the ability to perform aerial refueling will make the aircraft not only more practical but also enhance the safety of flight operating over vast expanses of open ocean.
Keeping The Air Wing Flying
Refocusing on the core capability that spurred the decision to make the transition to the COD mission, the capability to receive replacement engines for the Air Wing aircraft is crucial in a conflict. The Navy does not usually ship the entire, fully assembled engine at once. Instead, they transport the core F135 Power Module. This is the heaviest and most critical component of the engine. It is, in fact, so heavy that the Osprey cannot perform a pure vertical lift but must execute a short rolling takeoff to get airborne.
The C-2’s cabin is too narrow and awkwardly shaped to clear the engine's widest components. The Osprey's cargo bay can physically encompass these dimensions, but it leaves absolutely zero margin for error. The engine module is mounted to a low-profile, heavy-duty wheeled metal frame that is compatible with a custom-designed skin rail system. The cargo crew pushes the module up the rear ramp, and it locks directly with the cargo floor's locking points to ensure the massive 3,750-lb (1,701 kg) powerplant cannot move during flight.
While the engine technically fits, the tight clearance forces the Navy to accept unique operational compromises. Because the module takes up nearly every cubic inch of the cargo bay, loading and unloading are a slow, meticulous process. Additionally, the F135 engine inside its standard shipping container will not fit inside the Osprey. Consequently, the engine must be flown 'naked,' or loosely wrapped. Ultimately, although it may not be the perfect transport option, it is the best available for the US Navy to sustain its fifth-generation Air Wing in the 21st century.
Single-Engine On Every Cat Shot
The absolute cornerstone of the fifth-generation air wing is the F-35C Lightning II, which has just one powerplant. If an F-35C suffers an engine failure out at sea, that multi-million-dollar stealth fighter is completely useless until a replacement arrives. This is especially critical as the aircraft is a single-engine airframe. While the F135 is the most powerful fighter jet engine ever made, the fact that the F-35C only has one is a major departure from the recent portfolio of carrier-capable aircraft flown by the USN and USMC.
The F-35C is vastly more maintenance-intensive than the Boeing F/A-18 Super Hornet. The Legacy 4.5 gen Strike Fighter will be the support platform that continues to be the workhorse of the Air Wing, while the Joint Strike Fighter takes over the highest-risk missions like penetrating integrated enemy air defenses. To achieve supersonic speeds without a twin-engine layout, the F135 engine operates under extreme temperatures and pressures. It generates massive electrical power to feed the jet's advanced radar, jamming systems, and electronic warfare sensors.
In fact, the entire F-35 fleet of all variants around the world has suffered a critical readiness issue, and the latest upgrade package under technology refresh 3 block 4 has been significantly delayed. Despite the US Navy pumping nearly 1 billion dollars into a Lockheed Martin contract for advanced EW equipment, it doesn't solve the problem that these aircraft are more delicate and working on them on the ship is far more burdensome as well.
The Evolution Of Naval Aviation
The F-35C is built to strike targets deep inside enemy territory while the aircraft carrier stays positioned safely outside the range of land-based anti-ship missiles. This means the carrier operates much farther out to sea than it did in previous decades. The Osprey will liberate the logistical chain of the carrier strike group from airfields ashore and also improve the efficiency of operations to smaller vessels in the CSG thanks to the fact that the CMV-22B can perform vertical resupply to smaller vessels as well.
The Navy variant of the Osprey features massive fuel bladders bulged into the sides of the fuselage. It can fly over 1,150 nautical miles (2,130 km) on a single internal tank of fuel. Unlike the old Greyhound, the Osprey features an aerial refueling probe. It can take fuel directly from F/A-18 'Buddy tankers' or the upcoming Boeing MQ-25 Stingray drones, which will take over air-to-air refueling for the Air Wing.
Aerial refueling gives the Osprey virtually unlimited range, allowing it to fetch an urgent F-35C engine core from a distant shore base and sprint back to a fast-moving strike group without stopping. And even more importantly, with the entire US Armed Forces concentrating their strategic disposition in the Pacific, the Osprey supports Joint Forces as a whole because it is engineered for the theater, and it can carry the engine of the most important fighter jet for virtually every operator in the region.
America's Pivot To The Pacific
The Indo-Pacific is an F-35 theater. The Air Force flies the F-35A from mainland bases, the Marines fly the short-takeoff/vertical-landing F-35B from amphibious ships and austere islands, and the Navy flies the carrier-borne F-35C. Crucially, all three variants of the F-35 use the same foundational Pratt & Whitney F135 engine core. Because the Navy’s CMV-22B can haul this engine, it doesn't just service aircraft carriers. A Navy Osprey can fly an engine from a remote Air Force base in Guam, land on an amphibious assault ship, or drop it off at a rugged island outpost.
In the vast Pacific, the Navy doesn’t have to build its own dedicated maintenance hubs on every island. The military knows that in a conflict, large, centralized bases like Kadena Air Base in Japan will be targeted by enemy ballistic missiles. To survive, the branches have developed decentralized strategies. Under modern Pacific strategy, a 100,000-ton Nimitz- or Ford-class aircraft carrier does not just exist to launch its own planes. It acts as a massive, floating logistical mothership for the entire joint force.
In a shooting war, if a Marine or Air Force F-35 engine fails on a forward island outpost, the Navy's CMV-22B can lift a spare engine directly off the supercarrier's deck or from any depot in the first or second island chain operated by the US or its regional allies. It can then fly it directly to that carrier, 'Big Deck' assault ship, or tiny island airstrip. Then the Osprey can land right in the dirt next to the stranded jet. It allows all of the US Armed Forces, Japanese, Australian military, South Korean, Singaporean, and other regional allies to pool their resources dynamically, thanks to the universal platform of the F-35 Joint Strike Fighter.