QuickLinks -- Click here to rapidly navigate through this document
Exhibit 21.1
Subsidiaries of Globalstar, Inc.
As of December 31, 2007, the material subsidiaries of Globalstar, Inc., their jurisdiction of organization and the percent of their voting securities owned by their immediate parent entity were as follows:
Subsidiary
| | Organized Under Laws of
| | % of Voting Securities Owned by Immediate Parent
| |
---|
GSSI, LLC | | Delaware | | 100 | % |
| ATSS Canada, Inc. | | Delaware | | 100 | % |
Globalstar Satellite Services Pte., Ltd | | Singapore | | 100 | % |
Globalstar Satellite Services Pty., Ltd | | South Africa | | 100 | % |
Globalstar C, LLC | | Delaware | | 100 | % |
| Mobile Satellite Services B.V. | | Netherlands | | 100 | % |
| | Globalstar Europe, S.A.R.L. | | France | | 100 | % |
| | Globalstar Europe Satellite Services, Ltd. | | Ireland | | 100 | % |
Globalstar Leasing LLC | | Delaware | | 100 | % |
Globalstar Licensee LLC | | Delaware | | 100 | % |
Globalstar Security Services, LLC | | Delaware | | 100 | % |
Globalstar USA, LLC | | Delaware | | 100 | % |
| GUSA Licensee LLC | | Delaware | | 100 | % |
Globalstar Canada Satellite Co. | | Nova Scotia, Canada | | 100 | % |
| Globalstar de Venezuela, C.A. | | Venezuela | | 100 | % |
| Globalstar Colombia, Ltda. | | Colombia | | 100 | % |
Globalstar Caribbean Ltd. | | Cayman Islands | | 100 | % |
| Globalstar Republica Dominicana, S.A. (Dormant) | | Dominican Republic | | 100 | % |
| GCL Licensee LLC | | Delaware | | 100 | % |
Globalstar Americas Acquisitions, Ltd. | | British Virgin Islands | | 100 | % |
| Globalstar Americas Holding Ltd. | | British Virgin Islands | | 100 | % |
| | Globalstar Gateway Company S.A. | | Nicaragua | | 100 | % |
Globalstar Americas Telecommunications Ltd. | | British Virgin Islands | | 100 | % |
| Globalstar Honduras S.A. | | Honduras | | 100 | % |
| Globalstar Nicaragua S.A. | | Nicaragua | | 100 | % |
| Globalstar de El Salvador, SA de CV | | El Salvador | | 100 | % |
| Globalstar Panama, Corp. | | Panama | | 100 | % |
| Globalstar Guatemala S.A. | | Guatemala | | 100 | % |
| Globalstar Belize Ltd. | | Belize | | 100 | % |
Astral Technologies Investment Ltd. | | British Virgin Islands | | 100 | % |
| Astral Technology Nicaragua S.A. | | South America | | 100 | % |
SPOT Inc. | | Colorado | | 100 | % |
QuickLinks
Subsidiaries of Globalstar, Inc.