National Defense Agency

National Defense Agency abbreviated as "NDA" is a faction that appear in the Operation: Darkness Rising. It is a counterpart of Black Paladin.

History
After the Infection of San Blocksisco, the government has established the new defense agency to protect the US and other nation from any mysterious threats.

Operation: Dead Mask
In 2016, the NDA was investigating the mysterious group name "The Grey Masks"; a terrorist organization that kidnapped the hostages and sell illegal drugs to the public.

The Spec 2 infiltrated their located base and eliminate all other terrorists. However, Some of them are escaped.

Incoming Attack of Dark Matter Monsters
During the Event of Dark Matter. The NDA were sent the Spec 3 to defend the survivor shelter from the Dark Matter monsters in Resolute, Nunavut, Canada. But due to heavy attack by the monsters, the Spec 3 call the Spec 1 for reinforcement, and the mission successfully defended and protected the survivor shelter from the monster.

Operation: Darkness Rising
"Main article: Operation: Darkness Rising"

Playable Characters
There are 4 playable characters were introduced in the Operation: Darkness Rising.
 * Storm: the medium-armored soldier with an Operator Rifle.
 * Adrena: the light-armored soldier with an Orbital Machine Gun.
 * Sight: the medium-armored soldier with a Nanotech Rifle.
 * Breach: the heavy-armored soldier with a Sledge.

Missions
The Operation: Darkness Rising contains 6 missions, 4 side missions and 2 mini-games.

Operation: Darkness Rising Missions
These missions are part of the Operation: Darkness Rising.
 * 1) The Evacuation - Boss: Ares-0III
 * 2) Rescue the President - Boss: Erebus-0IV
 * 3) Assault in Progress - Boss: Athena-0V
 * 4) The Core - Boss: Phobos-0IX
 * 5) The Ultimatum - Boss: Ryan (Sub-boss), Dark Matter Mech
 * 6) Finale - Boss: The Queen

Side Missions (Optional)
These missions are not part of the Operation: Darkness Rising.
 * 1) Siege - Eliminate all enemies inside their fortress.
 * 2) Defend - Defend the objective and prevent opposing forces.
 * 3) Hostage Rescue - Rescue the hostages from the enemies' base.
 * 4) Stolen Data Recover - Recover the stolen data from the enemies' base.

Mini-Games

 * 1) Target Practice - Test your aiming skill.
 * 2) Sniper Practice - Snipe the enemies with other players. The player with most kills wins.

Trivia

 * Many soldiers in this faction have their own uniform, some of them are similar.