Tengwar

Tom takes his notes in Tengwar.

He's now trying to arrange for a type font set in the Tengwar alphabet

For example, Unicode hasn't yet incorporated Tengwar (an elvish script) into its official repertoire (although it's on the roadmap—there are, after all, many maps of Middle Earth).

An innovative feature of the Tengwar is that the shapes of the individual letters were designed to record phonetic features

The translator uses the Tengwar script to display Sindarin.

The first article of the Universal Declaration of Human Rights in JRR Tolkien’s Tengwar script (transcribed from English).

The poster for the mission, which is officially called NROL-101, sports a pretty clear Lord of the Rings theme, featuring a pair of interlocking golden rings and the phrase "goodness persists" written in both English and Elvish Tengwar script, the fictional language dreamed up entirely by author J.R.R. Tolkien himself.