'Quite a Feeling of Being Alone': 25 Years Since Endeavour's Vanilla-to-Chocolate STS-54 Mission

The base of the Inertial Upper Stage (IUS), carrying the Tracking and Data Relay Satellite, departs Endeavour on 13 January 1993. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Twenty-five years ago, this week, the crew of STS-54 settled into orbit for one of the shortest shuttle missions of the decade, tasked with deploying the […]

'Vanilla to Chocolate': The Changing Mission of STS-54

The American eagle delivers a fifth star, representing the fifth operational Tracking and Data Relay Satellite (TDRS), in the STS-54 crew patch. Image Credit: NASA

When the STS-54 shuttle crew released their official crew patch in the summer of 1992, they paid tribute to two important payloads aboard their mission. The first was […]