Gen. John Raymond, the chief of space operations, looks back at the first year of operations for the U.S. Space Force and ahead at what is to come for the sixth military service in 2021.

Aviation Week’s Guy Norris just visited Boeing Field, where he talked with 777X program leaders. Listen in for an update on the program’s status – and the certification and market challenges that lie ahead.

The latest mission to return a sample from the lunar surface is part of China’s internally focused effort to put humans on the Moon. Aviation Week editors discuss the project on the latest episode of Check 6.