When the ship lands there are 5 guards standing in the ship

Hint 1 of 4:

Did you look at the left side of the Control room door?

Hint 2 of 4:

Did you EXAMINE the videocamera. They saw you coming.

Hint 3 of 4:

Cover the camera lens.

Hint 4 of 4:

USE the garment on the video camera.