Lease expenses for the three and six months ended June 30, 2023 were $1,034 and $1,965, respectively, and were $849 and $1,719 for the three and six months ended June 30, 2022, respectively. Aggregate variable lease expenses and short-term lease expenses were $167 and $287 for the three and six months ended June 30, 2023, respectively, and were $50 and $80 for the three and six months ended June 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 six months ended June 30, 2023 were $660 and $890, respectively and for the three and six months ended June 30, 2022 were $275 and $617, 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 six months ended June 30, 2023 were $904 and $1,128, respectively and for the three and six months ended June 30, 2022 were $566 and $1,139, respectively.