\singlespacing
\begin{figure}[!t]
\begin{center}
\includegraphics[width=3.2in]{figures/nasa/ground-tactical/Energy.pdf} 
\includegraphics[width=3.2in]{figures/nasa/ground-tactical/Defects.pdf} 
\includegraphics[width=3.2in]{figures/nasa/ground-tactical/Effort.pdf} 
\includegraphics[width=3.2in]{figures/nasa/ground-tactical/Threat.pdf} 
\includegraphics[width=3.2in]{figures/nasa/ground-tactical/Months.pdf} 

{\scriptsize
\begin{tabular}{r|r@{~=~}l}
X& feature & range\\\hline
1&site & 6\\
2&ltex & 4\\
3&plex & 4\\
4&execution-testing-and-tools & 6\hey\\
5&resl & 6\\
6&flex & 6\\
\end{tabular}
}
\end{center}
\caption{Tactical analysis: ground results.}\label{fig:groundtactical}
\end{figure}
\doublespacing

