What is the X-37B doing in space? The exact missions of the X-37B are classified, but it is known that the plane is used for a variety of purposes, including:

- Testing new technologies: The X-37B has been used to test new technologies such as autonomous flight, thermal protection systems, and guidance and navigation systems.

- Conducting experiments: The plane has also been used to conduct experiments on a wide range of topics, including space debris, microgravity, and the effects of radiation on materials.

- Surveillance: The X-37B is capable of carrying a variety of sensors and cameras, which can be used for surveillance purposes.

- Delivering payloads: The plane can also be used to deliver payloads into orbit, such as satellites or small experiments.

The X-37B has become an increasingly important part of the U.S. military's space program. The plane is providing valuable data and insights into new technologies and is helping to ensure that the U.S. maintains its dominance in space.

Here are some additional details about the X-37B:

- The plane was developed by Boeing and is based on the space shuttle.

- It is 29 feet long and has a wingspan of 14 feet.

- It weighs about 11,000 pounds.

- The plane can carry up to 2,500 pounds of cargo.

- It has been launched into orbit by a variety of rockets, including the Delta II and the Atlas V.

- The plane has landed at several different locations, including Vandenberg Air Force Base in California and Kennedy Space Center in Florida.

- The X-37B program is managed by the U.S. Air Force.