Wernher von Braun works on US satellite program in mid-1950s

In the context of the global space race, the United States found itself lagging behind Russia after the launch of Sputnik. The US Navy faced setbacks with its satellite program, unable to successfully launch a satellite. In response, the US Army, with the expertise of Dr. Wernher von Braun, aimed to restore America's standing by successfully orbiting a satellite.

What was the significance of the Russian launching of an artificial satellite?

What was the goal of the army in relation to the moon?