Well-known for his patriotic and historical paintings, Strain created works such as for example D-Day, The Monument to Divers, and Spirit of Breakthrough. Early in his profession, he crafted many western-themed essential oil paintings. At the start from the 1990s, he shifted his concentrate towards the Civil Battle; later, he focused on some World Battle II-themed paintings. His paintings are highlighted in The Country wide Recreation area Service’s brochures. He and his wife Nancy frequently participated in Civil Battle re-enactments. He was inspired by the task of nineteenth-century printmaker Nathaniel Currier.