Lease expenses for the three and nine months ended September 30, 2023 were $1,070 and $3,035, respectively, and were $849 and $2,568 for the three and nine months ended September 30, 2022, respectively. Aggregate variable lease expenses and short-term lease expenses were $147 and $434 for the three and nine months ended September 30, 2023, respectively, and were $339 and $419 for the three and nine months ended September 30, 2022, respectively.

Approximately 80% of the Company's right-of-use (“ROU”) assets and lease liabilities relate to office facilities leases, with the remaining amounts representing primarily ground station leases.

Operating cash flows paid included in the measurement of operating lease liabilities for the three and nine months ended September 30, 2023 were $1,055 and $1,945, respectively, and for the three and nine months ended September 30, 2022 were $389 and $1,006, respectively, and were included in net cash used in operating activities in the condensed consolidated statements of cash flows. Amortization of ROU assets for the three and nine months ended September 30, 2023 were $1,057 and $2,185, respectively, and for the three and nine months ended September 30, 2022 were $518 and $1,657, respectively.