The Lightning Satellite was an orbital laser created by the Enclave that synchronised over Manhattan.
The Enclave created the satellite with the intention of killing the Hulk and later other targets. With help from Rick Jones, Hulk scaled a building upon which was the control dish for the satellite. Hulk destroyed the dish, causing the satellite to fall out of orbit and crash into Central Park. He then raced to the crash site and prevented the Enclave from retrieving the wreckage.