Tubular Bells, Part One

The Space Test Program (STP) is the primary provider of spaceflight for the United States Department of Defense (DoD) space science and technology community. STP is conducted by the Advanced Systems and Development Directorate, a directorate of the Space and Missile Systems Center of the United States Air Force. Missions part of STP-27VPA: - HALO-Net Free Flyer: is a 3U CubeSat with the main aim to test a retroreflectors array and to validate predicting models. - Gunsmoke-J 4: is an experimental 3U CubeSat to test direct communications to Army combat operations. - CNCE Blk.1 (1 and 3): are experimental CubeSats used to test advanced satellite-satellite communication.

BRIK II is a payload for the Royal Netherlands Air Force. It is the Netherlands’ first military satellite. The satellite is a 6U CubeSat and is equipped with radio transmitters and receivers to test the possible applications of nanosatellites for military operations.

SatRevolution is launching the first two optical satellites, STORK-4 and STORK-5 (A.K.A. MARTA), of the company’s 14-satellite STORK constellation. The STORK 3U CubeSats features an imager with a ground resolution of up to 5 m. Other 2U cubesats of the constellation are able to host customer's payloads.