1- second floor, next to the kitchen on the wall

2-In the basement (first you need a key, find a secret passage to a locked room. It's behind the boxes)

3-On the shelf with refrigerators

4-First you will need to go to the crew's sleeping room. There you will need to go to the left and carefully examine the upper corners.

5-It is located behind the boxes near the control room

6-Under the bridge with the skull on it

7-It is located under the wheel of a car on the road between two buildings