From the back of the box:

Silent Death Unleaded includes all the material from the Silent Death Deluxe Edition, except for the metal miniatures and bases.

Hex-O-Gram Catalogue Issue 108. Game Description:
SILENT DEATH UNLEADED (ICE 7000) $20.00
An exciting and quick-playlng game of starfighter combat in the far future, SILENT DEATH UNLEADED includes all the material from the SILENT DEATH DELUXE EDITION except for the metal miniatures and bases. Includes: rules and starcraft display pack; Introductory scenario folder; huge 47x42“ playing surface; 180 full-color counters, including Torpedos, Missiles, and plenty of Starfighters; and 9 dice (1D4, 3D6, 3D8, 1D10, and 1D12).