\begin{figure}[!t]
\begin{center}
\includegraphics[width=3.2in]{data/ground/strategic/ground-Energy.pdf} 
\includegraphics[width=3.2in]{data/ground/strategic/ground-Defects.pdf} 
\includegraphics[width=3.2in]{data/ground/strategic/ground-Effort.pdf} 
\includegraphics[width=3.2in]{data/ground/strategic/ground-Threat.pdf}   

{\scriptsize
\begin{tabular}{r|r@{~=~}l}
X& feature & range\\\hline
1&ltex&4\\
2&plex&4\\
3&site&6\\
4&peer reviews&6\\
5&automated analysis&6\hey\\
6&pcon&5\\
7&prec&5\\
8&execution testing and tools&6\hey\\
9&apex&5\\
10&acap&5\\
11&pcap&5\\
12&pmat&2\\
\end{tabular}
}
\end{center}
\caption{Strategic analysis: ground results. Note the policy point being at X=12.}\label{fig:osp}
\end{figure}