This paper describes the ISS lidar technology provided by Fibertek. Inc. in support of the NASA GSFC CATS mission and provides an assessment of the in-flight systems performance and lessons learned. During February the systems successfully operated in space for more than 300 hours using 25 W average power lasers and photon counting of aerosol atmospheric returns. https://missouriquiltcoes.shop/product-category/sewing-pins/