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Forty-fifth regiment Massachusetts Infantry (Militia).
Col. Charles R. Codman.
| Field and Staff. | Line. | companies. | Unassigned Recruits. | Totals. |
| | | A | B | C | D | E | F | G | H | I | K |
| Number on regimental rolls,— |
| Officers, | 9 | 31 | – | – | – | – | – | – | – | – | – | – | – | 40 |
| Enlisted men,1 | 4 | – | 98 | 95 | 96 | 92 | 93 | 88 | 94 | 84 | 93 | 82 | – | 919 |
| Totals, | – | – | – | – | – | – | – | – | – | – | – | – | – | 959 |
| Enlisted men (included above) commissioned in regiment. | – | – | – | – | – | – | – | – | 1 | – | – | – | – | 1 |
| Enlisted men (included above) serving elsewhere within regiment. | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Actual total of members of regiment,— |
| Officers, | 9 | 31 | – | – | – | – | – | – | – | – | – | – | – | 40 |
| Enlisted men,2 | 4 | – | 98 | 95 | 96 | 92 | 93 | 88 | 93 | 84 | 93 | 82 | – | 918 |
| Totals, | – | – | – | – | – | – | – | – | – | – | – | – | – | 958 |
The 45th Infantry, Mass. Volunteer Militia, was mustered into the service of the
United States at Readville, Mass., on varying dates from Sept. 26 to Oct. 28, 1862, and was known as the ‘Cadet Regiment,’ from the fact that its field officers and many of its line officers were drawn from the 1st Corps Cadets.
Under command of
Col. Charles R. Codman it embarked for New Berne, N. C , November 5, and arriving, was assigned to
Colonel Amory's brigade.
In December eight companies, two being on detached service, took part in the Goldsboroa expedition and were actively engaged at
Kinston and
Whitehall.
Located with headquarters near New Berne, it shared in the reconnoissance to
Trenton, N. C., in January, 1863, and served afterward as provost guard at New Berne until April 25.
As part of
Amory's brigade it engaged in an expedition to
Core Creek, going into action on the
Dover 
