喋血外^星人

Af,:ter an[ alien spacecr+?aft destroys ![, Washi+[\ngton:-, D!.C., the r
`es\^ ),idents of+;) a small town
#- must fight off a unit of alien so$$ldiers on  the hu\.nt for t-*he Pre,sident o[\/f` the Unite:d)! St ;\ates and the, myst/(erious device he's c+