The phrase "a high level mission" is correct and usable in written English.
It can be used to describe a mission that is significant, overarching, or strategic in nature, often in a professional or organizational context.
Example: "The team was tasked with developing a high level mission that would guide the company's future direction."
Alternatives: "a strategic mission" or "an overarching mission".
At the start of this year, a High Level Mission, spearheaded by major partner and donor agencies, discussed with our partners the road ahead.
UNICEF assists post-earthquake child support mission BEIJING, 21 May 2008 – The Government of China has organized a high level mission to Sichuan - with support from UNICEF - to provide immediate... School collapses as major earthquake hits China BEIJING, 12 May 2008 - UNICEF China is deeply concerned that large numbers of children could be affected by a major earthquake in Sichuan Province.
A high level mission comprised of key UN agencies – UNICEF, WHO, FAO and WFP - are in the country to mobilise and leverage partnerships and commitments from the Government and stakeholders towards developing a road-map of introducing the Scaling Up Nutrition (SUN) movement in South Sudan.
A high-level mission was dispatched by the United Nations secretary general, Kofi Annan, last week.
The offer to dispatch a high-level mission to the afflicted region was more overtly political.
The Pentagon does not officially acknowledge the existence of some of the classified units that General McChrystal leads, and Mr. Bush's comments were a rare acknowledgment of the role those troops played in a high-level mission.
Mr. Fujimori has extended his promises of liberalization as the Organization of American States voted this week to send a high-level mission to Peru in a few days to meet Mr. Fujimori and members of the opposition.
This month, the United Nations Human Rights Council appointed an internationally renowned judge, Richard J. Goldstone, to lead a high-level mission to investigate allegations of war crimes during the Gaza war.
The AU chairman, Jean Ping, told a meeting of the AU Peace and Security Council in Addis Ababa on Friday, that a high-level mission would be sent to Mali's capital Bamako to assess the situation.
The United Nations Human Rights Council appointed a widely respected Jewish South African judge on Friday to lead a high-level mission to investigate allegations of war crimes committed by Israel in connection with the conflict in the Gaza Strip that ended Jan . 18
The annual report from the UN's International Narcotics Control Board, which is responsible for policing the drug treaties, said it would send a high-level mission to Uruguay, which became the first country to legalise the production, distribution, sale and consumption of cannabis for recreational purposes.
