Just days after the attack on Fort Sumter in 1861, Peter Conover Hains graduated from the U.S. Military Academy at West Point. At a time when officers and cadets were deserting the U.S. military in favor of serving their home states, especially those who seceded from the Union, this Philadelphia native stayed put — and the U.S. Army would get their investment back in spades.
After 26 of his 57 classmates left to join the Confederacy, Hains became an artillery officer, firing off the first shot of the Battle of Bull Run. There, he fought bravely, even though the Union Army lost terribly. After as many as 30 smaller combat engagements, he eventually found himself in the Army Corps of Engineers and the United States would never be the same.
During the 1863 Siege of Vicksburg, the Union's Chief Engineer fell ill and was unable to fulfill his duties. So, the responsibility shifted to then-lieutenant Hains. The engineering at Vicksburg would be crucial to the Union victory, so there could be no mistakes. The 12-mile ring of fortifications and entrenchments around the city kept the 33,000 Confederate defenders bottled up and isolated from the outside world. The surrender of Vicksburg, after a 40-days-long siege, along with the Confederate defeat at Gettysburg sounded the death knell for the Confederacy.
Grant promoted Hains to captain for his work.
In the postwar years, he was appointed Engineer Secretary of the U.S. Lighthouse Board and his constructions were so sound that many still stand to this day, undisturbed by rising sea levels or tropical storms. He also fixed the foul-smelling swamp that was Washington, D.C. by designing and constructing the Tidal Basin there, a sort of man-made reservoir that flushes out to the Washington Channel.
Still in the Army by the outbreak of the Spanish-American War in 1898, he served as a brigadier general of volunteers, but no known record of deploying to fight exists. Before and after the Spanish-American War, Hains served on the Nicaragua Canal Commission and was responsible for successfully arguing that such a canal should be built in Panama.
He retired from the Army in 1904 — but the Army wasn't done with him. World War I broke out for the United States and in September, 1917, Peter Conover Hains was recalled to active duty one last time. For a full year, he managed the structural defenses of Norfolk Harbor and was the district's Chief Engineer. At age 76, he was the oldest officer in uniform.
Just be advised, every veteran who just got off IRR: They will find you.
His sons and their sons all continued Hains' military tradition, attending West Point and serving on active duty. He, his sons, and his grandson are all interred in Arlington National Cemetery.
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