[1] Several scenes involving Navy helicopter, ship, and command footage from this film were used in the production of Crash Dive, Freedom Strike, Counter Measures and Agent Red.

This coincides with the disappearance of an American UN chemical weapons inspector, Dr. John Van Tasset (Barry Livingston), in Iraq.

After rescuing Dr. Tasset from an interrogation, they try to sneak back to the US submarine but are discovered by a group of soldiers that alert the entire base.

On board the Iranian submarine, the leader of the SEAL team is taken to Captain Reza Lashgar (Shaun Toub) who shoots him despite the protests of others on the crew.

Through this electronic communication, McKay is aware that the SEALs have escaped and begins to hunt the Iranian submarine to buy time.

With the help of Bob Rodgers' lucky coin[clarification needed], both groups of SEALs are able to reach the escape hatch and leave the submarine.

Producer Andrew Stevens wrote that Gary Busey had an insurance exclusion for exposure to horse saliva while working on Steel Sharks.