Key dates in U.S. military moves near North Korea

A US Air Force soldier (L) talks to South Korean soldiers during annual joint exercises south of Seoul, on March 14.

Amidst North Korea's ongoing verbal salvos, the United States has made a show of military strength in the annual drills taking place in the Korean Peninsula.

Here are the key dates:

March 8: US flies B-52 bombers over South Korea

The Cold War-era bombers flew out of Andersen Air Force Base in Guam as part of what the U.S. Pacific Command called a routine mission to highlight a "continuous bomber presence" in the region. A second fly-over was planned for March 26.

March 22: US and South Korea sign joint military agreement

Military movement in N. Korea?
Military movement in N. Korea?

    JUST WATCHED

    Military movement in N. Korea?

MUST WATCH

Military movement in N. Korea? 03:53
PLAY VIDEO
Does North Korea deserve diplomacy?
Does North Korea deserve diplomacy?

    JUST WATCHED

    Does North Korea deserve diplomacy?

MUST WATCH

Does North Korea deserve diplomacy? 02:16
PLAY VIDEO
N. Korea threatens 'merciless' strikes
N. Korea threatens 'merciless' strikes

    JUST WATCHED

    North Korea's nuclear threats

MUST WATCH

North Korea's nuclear threats 01:49
PLAY VIDEO
N. Korea threatens 'merciless' strikes
N. Korea threatens 'merciless' strikes

    JUST WATCHED

    N. Korea threatens 'merciless' strikes

MUST WATCH

N. Korea threatens 'merciless' strikes 04:58
PLAY VIDEO

The Combined Counter-Provocation Plan was signed in order to improve the countries' mutual readiness and response capabilities in the event of a North Korean provocation.

March 26: US flies B-52 bombers over South Korea again

The exercise -- the 2nd in a month -- was a routine mission meant to "reiterate the U.S. commitment to the security of our allies and partners," according to the Pentagon.

March 28: US flies nuclear-capable B-2 Spirit bombers over South Korea

The stealth bombers flew from Whiteman Air Force Base in Missouri to drop inert munitions as part of annual joint US-South Korea military exercises. The US military said the mission demonstrated "the United States' ability to conduct long range, precision strikes quickly and at will."

March 31: US deploys F-22 Raptor jets to US Air Force Base in South Korea

The US Command in South Korea says the stealth fighter jets were deployed to support annual US-South Korea training exercises.

April 1: US Navy moves warship and sea-based radar platform closer to North Korean coast

The Defense Department said the USS John S. McCain destroyer and the oil rig-like SBX-1 will better monitor North Korea's military moves, and may be the first of other naval deployments.

April 3: US announces missile defense system to be sent to Guam in coming weeks

The land-based Terminal High Altitude Area Defense System (THAAD) will defend against North Korean ballistic missile launches, according the Defense Department.