Description from original post (created 2016-05-30 10:42):
Finally, we come to this... the second death in Halo to make me almost cry... right after Johnson.
Miranda Keyes, born Miranda Halsey, (SN: 15972-19891-MK) was a Commander in the UNSC Navy. Keyes served as the commanding officer of both the UNSC In Amber Clad as well as the UNSC Forward Unto Dawn and was the commander of the Human expedition force to Installation 00 in late 2552. She was the daughter of the late Captain Jacob Keyes and Doctor Catherine Halsey.
Source:http://halo.wikia.com/wiki/Miranda_Keyes