Table 2.

EMM operational mission phases

Operational phase	Start date	Objectives
Launch	19 July, 2020 (UTC)	Captured the final spacecraft configuration and power down for flight. Executed countdown and launch. Performed separation from the LV and initial power on, which included the configuration necessary to communicate health and safety to the Ops Team.
Early Operations	19 July, 2020	Performed initial commissioning of the spacecraft subsystems and aliveness testing of the science instruments, and executed 2 TCMs.
Cruise	1 September, 2020	Began at EOP termination and lasted until 30 days before MOI.
Mars Orbit Insertion	10 January, 2021	Began after Cruise completion and lasted until Navigation confirmed the Observatory was in a stable orbit.
Transition	10 February, 2021	Began at MOI phase termination and lasted until the Observatory was in an acceptable science orbit and commissioning was complete (approximately 75 days).
Science	23 May, 2021	Began at Capture/Transition phase termination and lasts for 1 Martian year (687 Earth days)
Extended Mission	10 April, 2023	Begins after a successful Science Phase with duration dependent upon a number of factors
Decommissioning	TBD	Begins at the end of the Extended Mission on a date established at the Decommissioning Review (DR) and lasts until all observatory decommissioning and project closeout activities are complete