Crisis Core: Final Fantasy VII/M1: Shinra Electric Power Company

Shinra's Basic Training

 * Unlocked at the beginning of Chapter 2

"This is a simulated battle against infantrymen. The difficulty level is set low, so it should prove no problem to a SOLDIER operative. Relax and enjoy the training."

Just attack. These are the same as the Sentries at the beginning of the game, so it should be no difficulty whatsoever.
 * Reward: An Elixir
 * Unlocks: Shinra's Advance Training

Shinra's Advance Training

 * Unlocked at the beginning of Chapter 10

"This is a simulated battle against Shinra's new Gun Bull Heads. You may have fought them before, but that doesn't necessarily mean that the fight will be easy. Overconfidence may lead to death..."

No special strategy should be required by the the time this mission is unlocked.
 * Reward: Hero Drink
 * Unlocks: 50 Shinra Troops

50 Shinra Troops

 * Unlocked by completing Shinra's Advanced Training

"You will be sparring with out infantrymen. Although each individual posses little challange, the fact that they will appear in a constant stream should even the odds. Let us see how you fare."

The easiest way to deal with the crowd is to use materia such as High Jump or Assult Twister+, which allows you to hit loads of enemies at once.
 * Reward: Hero Drink x2
 * Unlocks: 100 Shinra Troops

100 Shinra Troops

 * Unlocked by completing 50 Shinra Troops

"It's another practice session, but with powered-up infantrymen...and more of them! This should be pretty tougheven for a SOLDIER operative. Give it all you've got."

Use the strategy above to get this mission over and done with as soon as possible.
 * Reward: Black Belt
 * Unlocks: 200 Shinra Troops

200 Shinra Troops

 * Unlocked by completing 100 Shinra Troops

"The troops are even tougher this time.Can you survive while defeating a seemingly never-ending stream of troops? We look forward to watching you in action"

Again, using the same strategy as these previous missions will allow you to complete it quickly and easily.
 * Reward: HP UP++
 * Unlocks: 1000 Shinra Troops

1000 Shinra Troops

 * Unlocked by completing 200 Shinra Troops

''Zack, we now understand just how strong you are, so here's our last training session with the most powerful infantrymen we have. They will seem truly endless, coming at you again and again and again... Are you ready for the ultimate sparring challenge?''

The hardest of the bunch. Continue to use the strategies described above, but as an extra precaution, use Barrier to help reduce the damage the infantrymen can do to you, and use Curaga regually.
 * Reward: Mug
 * Unlocks: N/A