SR-71

Directory

References

Images & Videos

SR-71 Blackbird.

Lockheed SR-71 Blackbird

Watch the takeoff of SR-71 Blackbird from Edwards Air Force Base, California

Discover

Srinivasa Ramanujan, Indian mathematician and autodidact.

6 Interesting Facts about Srinivasa Ramanujan

Monitor. Varanus salvadorii is a monitor lizard found in New Guinea can grows to 2.7 metres (9 ft.) aka Tree crocodile, Crocodile monitor, Salvadori's monitor, artellia, reptile

7 of the World’s Most Dangerous Lizards and Turtles

Nativity Scene, Adoration of the Magi, Church of the Birth of the Virgin Mary, Montenegro

Why Is Christmas in December?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

World Data Locator Map: Australia

Is Australia an Island?

Colorful winter sunset

What's the Difference Between a Solstice and an Equinox?

Indian hijras participate in a religious procession in Gandhinagar, India, some 30 kilometers from Ahmedabad, on March 22, 2017. Hijra is a term used in South Asia which refers to transgender individuals who are born male. (gender identity, gender expression)

6 Cultures That Recognize More than Two Genders

SR-71

aircraft

Also known as: Blackbird, SR-71 Blackbird

Learn about this topic in these articles:

comparison to U-2

In U-2
…Earth-orbiting satellites or the supersonic SR-71 Blackbird spy plane—but intelligence and military services consistently have found it useful because of its operational flexibility, excellent aerodynamic design, and adaptable airframe. In 2011 the USAF indicated that the U-2 was scheduled for retirement from service sometime after 2015, with many of its…
Read More

reconnaissance work

In military aircraft: Reconnaissance
…in the mid-1950s, and the SR-71 Blackbird, which came into service in the mid-1960s. The U-2, built of aluminum and limited to subsonic flight, could cruise above 70,000 feet (21,000 metres) for very long periods. The SR-71 had a titanium airframe to resist the heat generated by flying at Mach…
Read More