Missing Letters

Some letters are missing from the alphabet below. Find and unscramble the missing letters to spell the type of modern military vehicle that can fly without a pilot.

A B C F G H I J K L M P Q S T U V W X Y Z

Five missing letters: the five missing letters are D E N O and R

Vehicle:               

The rail cars transporting the vowels just arrived at the word station. Insert the missing vowels into the incomplete words listed below (letters may be used more than once). All words are mentioned in the newspaper stories.

A E I O U Y

H   L   F   X

       R   P    

    N T   R       

H   N G  K   NG

    F G H   N   S T   N

C   N   D