Cobra Thunderbolt (1984)

Navy SEAL Shane Wolfe is handed a new assignment: Protect the five Plummer kids from enemies of their recently deceased father -- a government scientist whose top-secret experiment remains hidden in the kids' house.

The story of the WWII project to crack the code behind the Enigma machine, used by the Germans to encrypt messages sent to their submarines.

Wong, bodyguard to a tycoon, is fired by his boss's son after he fails to save his boss. Now, the assassins are after the son, who takes refuge in a slum. Wong, meanwhile, tackles the villain's goons.

A Witness Protection specialist becomes suspicious of his co-workers when dealing with a case involving high-tech weapons.

In the near future, a drone pilot is sent into a deadly militarized zone and must work with an android officer to locate a doomsday device.

Los Angeles, California. Officer Murphy, a veteran Metropolitan Police helicopter pilot suffering from severe trauma due to his harsh experiences during the Vietnam War, and Lymangood, his resourceful new partner, are tasked with testing an advanced and heavily armed experimental chopper known as Blue Thunder.

Jean Claude Van Damme plays a dual role as Alex and Chad, twins separated at the death of their parents. Chad is raised by a family retainer in Paris, Alex becomes a petty crook in Hong Kong. Seeing a picture of Alex, Chad rejoins him and convinces him that his rival in Hong Kong is also the man who killed their parents. Alex is suspicious of Chad, especially when it comes to his girlfriend.

Buck is a Vietnam vet, recently released from prison. He returns home to discover the town being terrorized by a vicious motorcycle gang. When the bikers murder his wife and traumatize his daughter, Buck and his friends arm themselves to the teeth and wage war against the gang to destroy them once and for all.

Kham finds himself in trouble when he is accused of killing a trader. While on the run from the trader's nieces who are martial artists, Kham meets a friend who warns him of a terrorist plot.

Jake, a New York policeman poses as an actor to expose the making of martial-arts death movies in Thailand.