Lease expenses for the years ended December 31, 2023 and 2022 were $4,172 and $3,409, respectively. Aggregate variable lease expenses and short-term lease expenses were $613 and $548, for the years ended December 31, 2023 and 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 years ended December 31, 2023 and 2022 were $2,782 and $1,632, respectively, and were included in net cash used in operating activities in the consolidated statements of cash flows. Amortization of ROU assets was $2,928 and $2,344 for the years ended December 31, 2023 and 2022, respectively.