Question

one major goal of nasas gemini program was to
launch an artificial satellite.
send manned aircraft into earths orbit.
launch astronauts on long flights.
land an astronaut on the moon.

Explanation:

The Gemini program was a NASA human spaceflight program. One of its main goals was to test long - duration spaceflight for astronauts. The Mercury program had already sent manned aircraft into Earth's orbit. The Apollo program was for landing astronauts on the moon. Launching an artificial satellite was not the main goal of the Gemini program.

Answer:

launch astronauts on long flights.