Create a small ellipse using elliptical shape tool.

Create a rectangle for the antenna using rectangular shape tool.

Press Ctrl+T. Right click and select warp. From the preset warp shapes at the top bar, select arch.

Rotate and place as shown.

Create two small circles at the end of antennas.

Create a small ellipse for the bottom light. using elliptical shape tool.

Create a rectangle using rectangular shape tool.

Press Ctrl+T. Right click the layer and select perspective. Adjust the nodes to create a shape as shown.

Select the layers and color accordingly.

Add details to the dome by adding a highlight shape using pen tool. create depth by creating a dark color ellipse at the bottom of the dome.

Fill background with a solid blue color.

Select all layers. Rotate to the left to simulate flying motion.