Using your mouse, RIGHT click and pull to the left to view the toy jet from the back like shown (left)

Click anywhere in the blue workplane to deselect.

Select the Tail

Hold down the ALT key (next to the space bar) on the keyboard and click and pull the tail to the left.

Tip: hover over the curved arrow on the top of the tail. Carefully click and pull to rotate. Once begun you can enter the degrees in the dialog box and click enter on your keyboard

Press 'D' on your keyboard to drop the "wing" to the workplane

Click one of the white handles on the wing and change he lengthwise dimension dialog box to 40 and the width dimension dialog box to 24 then click enter on your keyboard.

Select the body (the grouped cylinder and cone) and click the Hide Selection button 

(located to the top right in the inspector box, it looks like a lightbulb)

Select the wing

Hold down the ALT key (next to the space bar) on the keyboard and click and pull the tail to the RIGHT.

This will make a copy of the wing

Pull the Workplane tool (located on the Top right Corner ir press W on your keyboard!) and drag it to the INSIDE end of the right wing until you see the Orange Workplane box (see left). Then let go of your mouse or click to set the workplane

Select the LEFT wing.

Press 'D' on your keyboard to drop the "wing" to the workplane. The wing should now touch the other wing!

Click the Show All button (top right toolbar, looks like a lightbulb) or press Ctrl+Shift+H

Tip: Click the workplane tool and drag it to any white space to reset