Per NASA, the goals of the Apollo program were:

to bring humans to the moon and back to Earth safely.
to create technology that would help meet space exploration goals.
to be the first to land a human on the moon.
to study and explore the moon.
to develop man’s capability to work on the moon.
Apollo 9 launched in 1969. Its mission was to test the lunar model, the part of the space vehicle that would take the astronauts to the moon. The astronauts in the lunar module tested its engines and equipment while they orbited Earth.

Which specific NASA goal did Apollo 9’s mission focus on?

Question

Per NASA, the goals of the Apollo program were:

to bring humans to the moon and back to Earth safely.
to create technology that would help meet space exploration goals.
to be the first to land a human on the moon.
to study and explore the moon.
to develop man’s capability to work on the moon.
Apollo 9 launched in 1969. Its mission was to test the lunar model, the part of the space vehicle that would take the astronauts to the moon. The astronauts in the lunar module tested its engines and equipment while they orbited Earth.

Which specific NASA goal did Apollo 9’s mission focus on?