7 CBS Sync Facts From "Ho'oilina" S5 E5

John McGarrett is interred at the National Memorial Cemetery of the Pacific, which serves as a resting place for service members of the U.S. Armed Forces. The cemetery's Lady Columbia statue is featured in the opening credits of both the show’s original series and the remake.

Mourners, like Steve, leave varying denominations of coin on the graves of military personnel to indicate their relationship to the fallen. A quarter, for example, signifies that the mourner was present when the soldier was killed.

The Secret Service was originally founded in 1865 in the Department of Treasury to suppress counterfeit currency. Its role was expanded to include protection of the president after the assassination of President William McKinley

Martin Copping, who plays Paul Clayton, is a descendant of Rudyard Kipling.

J.R. Lemon, who plays Jordan Lewis, was a running back with the Oakland Raiders. He earned degrees in management science and engineering at Stanford University.

Steve's car is on loan from a retired stunt double named John Norlund. Jack Lord, who played Steve McGarrett in the original series, gave the car to Norlund when the series wrapped.

The 1974 Mercury Marquis Brougham seen in the episode indeed suffers from a problematic intake manifold, as Steve mentioned. A previous owner of the Marquis once used the cork from a wine bottle to seal a vacuum leak-- the cork is holding strong.