GUN UP !!!

The MTDS app puts TC 3-22.90 gun drills and the knowledge in your pocket. Timed deflection and elevation changes, exam standards on every round, and a 175+ question mortar knowledge bank — 60mm, 81mm, and 120mm.

Free, no account — Small and Large drills with the live timer, all three systems. $10/month — Random missions, history, the Gunner's Exam, and the full knowledge bank. No ads. 3-day free trial.

Download on the App Store Get it on Google Play

Coming soon

For Mortar Men — by Mortar Men

0341 — 11C

175+

Knowledge-bank questions

0–6399

Deflection range, mils

≤20s

Expert small deflection

TC 3-22.90

Every drill verified

What it does

01

TC 3-22.90 drill engine

Small, large, and random missions generated to the manual — deflection 0–6399, elevation 800–1511, saddle tracked on every lay, and a home reset that puts the gun back on initial data. Practice the changes the gunner’s exam actually tests.

02

Centisecond lap timer

Tap Gun Up to log the round; double-tap to stop clean — no ghost entries. Every time lands against color-coded exam standards, with grouped history so you can watch the trend.

03

Mortar knowledge bank

175+ doctrine-verified questions across 60mm, 81mm, 120mm, ammunition, general knowledge, and IMLC — every answer cited to the source publication, verified against TC 3-22.90. Multiple choice with scoring, swipeable flashcards, and a practice-missed mode that drills what you got wrong.

04

Gunners Exam

The full 5-station examination per TC 3-22.90, Chapter 8 — run from the evaluator's phone. Type the candidate roster, rotate every gunner through each station with timed trials and no-credit checklists, and walk away with a completed DA Form 5964 for every candidate. The clipboard, stopwatch, and scorecard in one tool.

The app

Enter the data. Beat the clock.

A dark, glove-friendly interface built for the gun line: deflection and elevation in, fire mission out, timer running. Viewport-fitted with no scrolling mid-drill — nothing between you and the next Gun Up.

Train anywhere

Reps between the reps

The gun line is where the time counts — but the reps happen in the barracks, the motor pool, and the back of the truck. Run a drill or a ten-question set anywhere, and show up to the range already fast.

Speed on the gun isn’t talent. It’s reps — and the standard is written down.
— Drills scored against the gunner’s exam standards in TC 3-22.90, Chapter 8
Resources

The doctrine library

Every reference the drills are built on — full PDFs, hosted right here. Browse the library →

Doctrine current: TC 3-22.90 (Mar 2017, C1 Dec 2022) · TC 3-22.91 · ATP 3-21.90/MCTP 3-01D (Oct 2019) — verified each release.

Get on the gun

Free to download — Small and Large drills with the timer, all three systems, no account. Subscription unlocks Random, history, the Gunner's Exam, and the full knowledge bank. 3-day free trial. Coming soon to the App Store and Google Play.

Download on the App Store Get it on Google Play

Coming soon