Mortar Test Page
| Fort | Original Battery | New Battery | HD | Config | Mortars | Final Mort/Carr | Start-Comp-Xfer | Stop | Rebuilt | Cement |
|---|---|---|---|---|---|---|---|---|---|---|
| Fort Preble | Battery Kearny | Battery Chase | Portland | Quad | 16/6 | M1890MI/M1896MI | 1896-1901-1901 | 1942 | Original | Both |
| Fort Banks | Battery Lincoln | Battery Kellogg | Boston | Quad | 16/12 | M1886/M1891 | 1892-1896-1896 | 1942 | Rebuilt | Rosendale/Both |
| Fort Andrews | Battery Cushing | Battery Whitman | Boston | "L" | 16/10 | M1890MI/M1890 | 1898-1904-1904 | 1942 | Remodeled | Portland |
| Fort Adams | Battery Greene | Battery Edgerton | Narragansett Bay | In Line | 16/8 | M1890MI/M1896MI | 1896-1898-1898 | 1942 | Original | Rosendale PF |
| Fort Slocum | Battery Haskin | Battery Overton | Eastern NY | Quad | 16 | M1886/M1891 | 1892-1892-1897 | 1919 | Original | Both |
| Fort Hancock | Battery McCook | Battery Reynolds | Southern NY | Quad | 16 | M1886M/M1891 | 1891-1894-1898 | 1920 | Original | Rosendale |
| [Fort DuPont | Battery Rodney | Battery Best | Delaware | Quad | 16/8 | M1890MI/M1896 | 1897-1899-1900 | 1942 | Original | Both |
| Fort Monroe | Battery Anderson | Battery Ruggles | Chesapeake Bay | In Line | 16/8 | M1890MI/M1896MI | 1896-1898-1898 | 1942 | Original | Rosendale |
| Fort Moultrie | Battery Capron | Battery Butler | Charleston | Quad | 16/8 | M1890MI/M1896MI | 1897-1898-1898 | 1942 | Original | Rosendale |
| Fort MacArthur | Battery Barlow | Battery Saxton | Los Angeles | In Line | 8 | M1912/M1896MIII | 1916-1919-1919 | 1943 | Original* | Portland |
| Fort Miley | Battery Livingston | Battery Springer | San Francisco | In Line | 16/8 | M1890MI/M1896MI | 1899-1902-1902 | 1942 | Original* | Portland |
| Fort Winfield Scott | Battery Stotsenburg | Battery McKinnon | San Francisco | In Line | 16/8 | M1890MI/M1896MI | 1897-1898-1900 | 1942 | Original | Portland |
| Fort Winfield Scott | Battery Howe (1) | Battery Wagner (1) | San Francisco | Quad | 16 | M1896/M1891 | 1893-1895-1900 | 1920 | Original | Portland |
| Fort Casey | Battery Schenck | Battery Seymour | Puget Sound | In Line | 16/8 | M1890MI/M1896MI | 1898-1899-1902 | 1942 | Original | Portland |
| Fort Worden | Battery Brannan | Battery Powell | Puget Sound | In Line | 16/8 | M1890MI/M1896MI | 1899-1901-1902 | 1942 | Original | Portland |