Tuhia he tomokanga mo tenei waahanga - I mahi a Whistler i te Pakanga Mexico-Amerika, mai i te 1846 ki te 1848, i uru ki te whakapae o Veracruz, Maehe 9 ki te 29, 1847, te Pakanga o Cerro Gordo, Paenga-whāwhā 17-18 1847, te Pakanga o Contreras, Akuhata 19-20, 1847, te Pakanga o Churubusco
, Akuhata 20, 1847. I tohua ia hei rangatira tuatahi i te 20 o Akuhata 1847 mo te "Mahi Toa me te Whakahaere" i nga Pakanga o Contreras me Churubusco, Mexico.