Operation: Vanguard (Book)

"“The name, Operation: Vanguard”=-Chapter two of Operation: Vanguard"

Operation: Vanguard is the first book in the series with the same name.

Description
Aliens have officially taken over planet earth. The strange beings come from a planet called Dreon-D331. But after the aliens conquer multiple countries, and two continents, two humans, named Keith and Edgar stand up to fight them in a dangerous operation called Operation: Vanguard. Can they save earth before it’s too late?