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

{\scriptsize
\begin{tabular}{r|r@{~=~}l}
X& feature & range\\\hline
1&ruse&2\\
2&flex&4\\
3&automated analysis&6\hey\\
4&peer reviews&6\\
5&execution testing and tools&6\hey\\
6&resl&5\\
7&docu&1\\
8&cplx&2\\
9&stor&3\\
10&data&2\\
11&ruse&3\\
\end{tabular}
}
\end{center}
\caption{Tactical analysis: ground results. Note the policy point being at X=11.}\label{fig:osp}
\end{figure}