diff --git a/src/Glossary.tex b/src/Glossary.tex
index bf4007c..ce36bc5 100644
--- a/src/Glossary.tex
+++ b/src/Glossary.tex
@@ -75,6 +75,11 @@
 \newacronym[description={Global Navigation Satellite System.}]{GNSS}{GNSS}{Global Navigation Satellite System}
 \newacronym[description={Global Positioning System.}]{GPS}{GPS}{Global Positioning System}
 \newacronym[description={Ingress Protection code 67.}]{IP67}{IP67}{Ingress Protection code 67}
+\newacronym[description={Space Situational Awareness.}]{SSA}{SSA}{Sapce Situational Awareness}
+\newacronym[description={World Coordinate System.}]{WCS}{WCS}{World Coordinate System}
+\newacronym[description={Complementary metal-oxide-semiconductor (pronounced "see-moss").}]{CMOS}{CMOS}{Complementary metal–oxide–semiconductor}
+\newacronym[description={charge-coupled device.}]{CCD}{CCD}{charge-coupled device}
+\newacronym[description={Spacecraft Identification and Localization.}]{SIDLOC}{SIDLOC}{Spacecraft Identification and Localization}
 
 \newacronym[
 	description={The International System of Units, known by the international abbreviation SI in all languages and sometimes pleonastically as the SI system, is the modern form of the metric system and the world's most widely used system of measurement. Established and maintained by the General Conference on Weights and Measures (CGPM), it is the only system of measurement with an official status in nearly every country in the world, employed in science, technology, industry, and everyday commerce.%
@@ -195,8 +200,6 @@
 
 % TO ADD
 % satellite
-% SIDLOC
-% SSA
 % SatNOGS DB
 % CubeSat
 % RamSat
@@ -206,8 +209,6 @@
 % Grafana
 % Dashboard
 % Python, C, Unix, etc ?
-% CMOS
-% CCD
 % photon
 % giza (pgplot?)
 % orbit
@@ -217,5 +218,4 @@
 % astap
 % Source Extractor
 % Watney
-% WCS
 % PiCamera
diff --git a/src/Hardware.tex b/src/Hardware.tex
index 4ac82d1..eb5b54a 100644
--- a/src/Hardware.tex
+++ b/src/Hardware.tex
@@ -198,7 +198,7 @@ is:
 %\begin{lstlisting}[caption={SatNOGS Optical Ground Station Components}]
 %\end{lstlisting}
 \begin{itemize}
-	\item The Imaging Source DMX camera with Sony IMX174 CMOS. \index{The Imaging Source}\index{IMX174}
+	\item The Imaging Source DMX camera with Sony IMX174 \gls{CMOS}. \index{The Imaging Source}\index{IMX174}
 	\item Kowa 50mm f1.4 C-mount lens.\index{Kowa}
 	\item Odroid N2 running \gls{Debian} \gls{GNU} \gls{Linux} system. \index{Odroid}\index{Debian}\index{GNU}\index{Linux}
 	\item Odroid N2 plastic enclosure, large half, hole drilled for ad-hoc mounting.
diff --git a/src/Identify.tex b/src/Identify.tex
index 9b70822..b030890 100644
--- a/src/Identify.tex
+++ b/src/Identify.tex
@@ -13,10 +13,10 @@
 \label{sec:overview-identify}
 \index{identification}
 \index{SIDLOC}
-The \gls{LSF} is developing a project called SIDLOC,
+The \gls{LSF} is developing a project called \gls{SIDLOC},
 for satellite identification and localization. With the
 addition of many more satellites in orbit there is a growing need
-for SSA.
+for \gls{SSA}.
 
 
 \section{\texttt{stvid}'s \texttt{process.py} for Identification}
diff --git a/src/Solve.tex b/src/Solve.tex
index 7f363b9..77e3d90 100644
--- a/src/Solve.tex
+++ b/src/Solve.tex
@@ -82,7 +82,7 @@ XXX The \texttt{4200} series is also recommended.
 
 
 \section{World Coordinate System}
-WCS info. XXX
+\gls{WCS} info. XXX
 
 
 \section{Plate Solving with \texttt{stvid}}