You Do Need power plug adapter while traveling from United States Virgin Islands to Turkmenistan.

Here is Why You Need An Adapter

The outlet and plug type used in Turkmenistan are C and F and in United States Virgin Islands are A and B. This is how they look like.

United States Virgin Islands

In United States Virgin Islands, outlets of type A and B are in use.

Type A

Type B

Turkmenistan

In Turkmenistan, outlets of type C and F are in use.

Type C

Type F