On Tuesday, AST SpaceMobile, Inc. (NASDAQ:ASTS) said it plans to launch its BlueBird 8, 9, and 10 satellites on June 17 aboard a Falcon 9 rocket from Cape Canaveral, Florida.

The satellites are designed to expand the company’s direct-to-device cellular broadband network and are expected to deliver nearly double the peak data speeds of its initial Block 1 BlueBird satellites, which recently achieved download speeds of 98.9 Mbps on standard smartphones.

President Scott Wisniewski said the launch marks another step toward scaling AST SpaceMobile’s global space-based cellular broadband network.

The company has agreements with nearly 60 mobile network operators serving more than 3 billion subscribers worldwide, including partnerships with AT&T Inc. (NYSE:T), Verizon Communications Inc. (NYSE:VZ), Vodafone Group Plc