Sketch from battle of Midway: attack on japanese carriers performed by VB-6 (targeting <i>Akagi</i>)and VS-6 (targeting <i>Kaga</i>) from <i>Enterprise</i>. Attack of a part of VB-6 on <i>Akagi</i> is not sketch in. This sketch was part of Lt. Joe R. Penland action report. Penland was flying SBD 6-B-7 (serial number 4532).
<p>J. R. PENLAND 
Lieutenant, U.S. Navy, 
</p>
Commander, Bombing Squadron Six
1942-06-04
<p><a rel="nofollow" class="external free" href="http://www.history.navy.mil/docs/wwii/mid10.htm">http://www.history.navy.mil/docs/wwii/mid10.htm</a>
</p>
Although from a commercial site this picture was made by a US Navy member performing official duties for the US government which makes this and any other pictures he made during this time original works of the US Government. Original works of the US Government are public domain documents.