SR-71 vs. SR-72

Attribute	SR-71	SR-72
Top Speed	Mach 3.3	Mach 6
Role	Reconnaissance	Reconnaissance/Strike
First Flight	1964	Not yet flown
Manufacturer	Lockheed Skunk Works	Lockheed Martin
Length	107 ft 5 in	Not available
Wingspan	55 ft 7 in	Not available

Introduction

The SR-71 Blackbird and its successor, the SR-72, are two of the most iconic aircraft in the history of aviation. Both were developed by Lockheed Martin's Skunk Works division for reconnaissance missions, but they differ in several key attributes. In this article, we will compare the characteristics of these two legendary aircraft.

Speed

The SR-71 Blackbird is known for its incredible speed, capable of reaching speeds of over Mach 3.2, or more than 2,200 miles per hour. This made it the fastest aircraft in the world during its time in service. In comparison, the SR-72 is expected to be even faster, with projected speeds of up to Mach 6, or over 4,500 miles per hour. This would make it one of the fastest aircraft ever built.

Stealth

While the SR-71 Blackbird was designed for speed and altitude to evade enemy defenses, it was not a stealth aircraft in the traditional sense. Its radar cross-section was relatively large, making it vulnerable to detection by enemy radar systems. In contrast, the SR-72 is expected to incorporate stealth technology, such as advanced materials and shaping techniques, to reduce its radar signature and improve its survivability in contested airspace.

Altitude

The SR-71 Blackbird was capable of flying at altitudes of over 85,000 feet, allowing it to operate above most surface-to-air missiles and enemy aircraft. This high altitude capability was a key factor in its success as a reconnaissance platform. The SR-72 is expected to have a similar high altitude performance, enabling it to conduct reconnaissance missions deep within enemy territory while remaining out of reach of most threats.

Range

One of the impressive attributes of the SR-71 Blackbird was its long range capability, with a maximum range of over 2,900 miles. This allowed it to conduct reconnaissance missions deep into enemy territory without the need for refueling. The SR-72 is expected to have a similar or even greater range, enabling it to cover vast distances and stay on station for extended periods of time.

Technology

The SR-71 Blackbird was a marvel of engineering for its time, featuring advanced avionics, materials, and propulsion systems. It was one of the first aircraft to use stealth technology to reduce its radar signature. The SR-72 is expected to build upon this legacy with even more advanced technology, including hypersonic propulsion systems and sensor suites that will enable it to gather intelligence in ways that were previously impossible.

Cost

One of the drawbacks of the SR-71 Blackbird was its high operating cost, which ultimately led to its retirement in 1998. The SR-72 is expected to be more cost-effective to operate, thanks to advancements in materials, manufacturing techniques, and propulsion systems. This could make it a more sustainable option for future reconnaissance missions.

Conclusion

In conclusion, the SR-71 Blackbird and SR-72 are both remarkable aircraft with unique attributes that set them apart. While the SR-71 was a groundbreaking aircraft in its time, the SR-72 promises to push the boundaries of aviation even further with its unmatched speed, stealth, altitude, range, technology, and cost-effectiveness. Both aircraft have left an indelible mark on the history of aviation and will be remembered for their contributions to reconnaissance and military capabilities.