The radial artery is located in the and is commonly used to feel for the

Forearm. Radial artery runs along the forearm and winds at the wrist. Due to the position of the artery (close to the surface of the arm and distally located to the radius bone), it is used to check for cardiac rhythm and heart rate. You have often observed medics place two finger on your wrist to feel for pulse.
Blood can also be drawn from the artery to perform tests such as arterial blood gas.

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11