Rommel's second offensive -- <a href="https://en.wikipedia.org/wiki/January_21" class="extiw" title="en:January 21">en:January 21</a>, <a href="https://en.wikipedia.org/wiki/1942" class="extiw" title="en:1942">en:1942</a> - <a href="https://en.wikipedia.org/wiki/July_7" class="extiw" title="en:July 7">en:July 7</a>, <a href="https://en.wikipedia.org/wiki/1942" class="extiw" title="en:1942">en:1942</a>
Uncredited for US Gov printing office.
Source: US ARMY