Three satellites presumed lost in Transporter deployment malfunction

Three satellites on a SpaceX Transporter rideshare launch in November failed to deploy, including one from a company that previously stated its satellite was in orbit and operating. Momentus announced Dec. 5 that three of the five satellites that it flew on the Transporter-9 launch Nov. 11 did not appear to deploy from the Falcon 9’s upper stage. The company used a third-party deployer, rather than its own Vigoride tug, on that mission, and said that it was able to confirm that the Hello Test 1 and 2 satellites from Turkish company Hello Space were released. More

(Source: SpaceNews - Dec 9)