12B Combat Engineer
Verified ASVAB line score requirement from the official Army specification. Engineers: Construction, demolition, bridging, diving and combat engineering support.
CO ≥ 82
Initial award, paragraph b(4)(b).
Verified
Source checked 2026-09-11
What this means
Official Army specification lists minimum CO 82; OPAT and training remain separate.
The score listed above is the minimum line score threshold from the official Army MOS specification. Meeting this threshold does not guarantee enlistment — additional requirements such as OPAT physical testing, security clearance, medical screening, and training availability are evaluated separately by your recruiter. To see how CO 82 compares with the rest of the Army, read what counts as a good ASVAB score.
Which ASVAB subtests count toward 12B
12B is judged on one line score. The subtests listed below are the Army's nominal definition of each aptitude area from DA PAM 611-21, Military Occupational Classification and Structure, Table 10-1 (ASVAB aptitude area composites). The score actually printed on your report is computed on the 1997 scale as a weighted sum of seven standard scores (DMDC 2004, Table 2.7) and may give weight to subtests outside the nominal list; GT is the exception and equals AR + VE exactly. Use the line score on your report, or compute it from your standard scores.
AR + CS + AS + MC
AR (Arithmetic Reasoning), CS (Coding Speed), AS (Auto and Shop Information), MC (Mechanical Comprehension).
CS is a legacy subtest no longer administered; the Army scores CO from the remaining subtests.
If your score is below CO ≥ 82
Your ASVAB report lists every line score, so start by finding CO and noting the exact gap. A small gap in one composite is usually closed by improving the subtests that feed it, and each subtest counts toward several line scores at once.
Practice on this site: AR (Arithmetic Reasoning), AS (Auto and Shop Information), MC (Mechanical Comprehension). Start a AR, AS, MC practice set for 12B →
Not testable: CS no longer appear on the ASVAB, so there is nothing to practice for them.
A retest is subject to Army retest rules and timing; ask your recruiter before planning around one. Practice results here are raw scores and never convert into an official line score.
Engineers jobs ranked by ASVAB threshold
All 9 currently verified CMF 12 entries on this site, ordered by the lowest score that satisfies each rule. 12B sits at position 1: 0 jobs list a lower threshold and 7 list a higher one. Thresholds in different line scores are not directly comparable.
| # | MOS | Job | ASVAB requirement | Checked |
|---|---|---|---|---|
| 1 | 12B | Combat Engineer | CO ≥ 82 | 2026-09-11 |
| 2 | 12C | Bridge Crewmember | CO ≥ 82 | 2026-09-12 |
| 3 | 12N | Horizontal Construction Engineer | GM ≥ 85 | 2026-09-12 |
| 4 | 12W | Carpentry and Masonry Specialist | GM ≥ 88 | 2026-09-12 |
| 5 | 12R | Interior Electrician | EL ≥ 93 | 2026-09-12 |
| 6 | 12Y | Geospatial Engineer | ST ≥ 100 and GT ≥ 100 | 2026-09-12 |
| 7 | 12T | Technical Engineer | ST ≥ 101 | 2026-09-12 |
| 8 | 12D | Diver | GM ≥ 98 and (GT ≥ 107 or ST ≥ 106) | 2026-09-12 |
| 9 | 12P | Prime Power Production Specialist | ST ≥ 107 and EL ≥ 107 and GT ≥ 110 | 2026-09-12 |
Other Army jobs judged on CO (Combat)
Because these MOS share the CO line score with 12B, the same subtests decide your standing for all of them. Jobs at or below 12B's threshold are fallback options; jobs above it are what a higher CO unlocks.
- 11C Indirect Fire Infantryman — CO ≥ 77
- 19D Cavalry Scout — CO ≥ 77
- 19K M1 Armor Crewmember — CO ≥ 77
- 92R Parachute Rigger — GM ≥ 78 and CO ≥ 77
- 12C Bridge Crewmember — CO ≥ 82
Next steps
- Check your scores against this and other Army jobs
- Practice AR, AS, MC, the subtests that feed the CO score
- Browse all Engineers jobs in CMF 12
- Confirm the current requirement with your recruiter before relying on this information
Frequently asked questions
What ASVAB score do I need for 12B Combat Engineer?
The verified score threshold recorded for this MOS is CO ≥ 82. Other requirements such as OPAT, clearance, and training are separate.
Which ASVAB subtests count toward the CO score for 12B?
CO (Combat) is nominally AR + CS + AS + MC. The reported score is a weighted sum of seven standard scores on the 1997 scale, so subtests outside that list can also count. Compare the line score printed on your ASVAB report against CO ≥ 82, or compute it from your standard scores with the calculator.
Is AFQT enough to qualify for 12B?
No. AFQT is used for general enlistment qualification. 12B uses specific Army line scores (CO ≥ 82), and the line-score rule shown here is the verified threshold. These are composite scores calculated from ASVAB subtests and are different from your AFQT percentile.
Are there Engineers jobs with a lower ASVAB threshold than 12B?
No. 12B has the lowest entry threshold among the 9 currently verified CMF 12 entries on this site; 7 list a higher one.
Where does this 12B score requirement come from?
The verified threshold is recorded from the official Army MOS specification document. Initial award, paragraph b(4)(b). Source checked on 2026-09-11.