Intrepid being cross-inflated from Constitution in a spur-of-the-moment attempt to get the larger balloon in the air to overlook the imminent Battle of Seven Pines. The balloon Intrepid, one of six to eventually be constructed by Thaddeus Lowe and the Union Army Balloon Corps.
Source: War Department. Office of the Chief Signal Officer. (08/01/1866 - 09/18/1947)
Contributed by
Niccolò Lucarelli