NASA awarded Rocket Lab two IDIQ task orders enabling the rideshare launch of the second Total and Spectral Solar Irradiance Sensor and the Polarized Submillimeter Ice-cloud Radiometer. The projects are part of the $300 million Venture-Class Acquisition of Dedicated and Rideshare contract. The TSIS-2 mission will measure total and spectral irradiance, while PolSIR will consist