SpaceX Falcon 9 Deploys 21 Satellites for U.S. Military's SDA in Fourth Tranche 1 Mission
SpaceX successfully launched a Falcon 9 rocket from Vandenberg Space Force Base in California, deploying 21 satellites for the U.S. Space Force's Space Development Agency (SDA). The launch, which occurred on October 10 at 3:39 a.m. EDT, was the fourth mission under the SDA's Tranche 1 program, part of the Proliferated Warfighter Space Architecture (PWSA). This network consists of optically connected satellites in low-Earth orbit designed to provide global military tactical communications and missile warning, indication, and tracking capabilities. The mission was delayed by five days from its original schedule due to an aborted attempt on October 5, though SpaceX did not disclose the specific reason for the delay. The Falcon 9's first-stage booster, designated B1103, successfully landed back at Vandenberg approximately seven minutes after liftoff, completing its sixth flight. The 21 satellites launched were manufactured by Northrop Grumman and are intended to provide secure, resilient, low-latency communica...