The phrase "a new spearhead" is correct and usable in written English.
It can be used to describe a new leader or initiative that is at the forefront of a movement or project.
Example: "The organization has appointed a new spearhead to lead the campaign for environmental sustainability."
Alternatives: "a new leader" or "a fresh driving force".
Phillips's arrival as a second-half substitute, against the club where he began his professional career, also gave them a new spearhead.
He skippered the craft to the world speed record for a powerboat circumnavigating the globe in 2008, before it was bought with the help of Ady Gil, a Hollywood lighting-equipment magnate, to become a new spearhead for Sea Shepherd's anti-whaling efforts.
Following the 2014 Crimean crisis, NATO committed to forming a new "spearhead" force of 5,000 troops at bases in Estonia, Lithuania, Latvia, Poland, Romania, and Bulgaria.
It plans to take a prominent role in the new spearhead force.
There is going to be a greatly enhanced exercise programme with regular manoeuvres to train and demonstrate the new spearhead force's capacities.
More than 2,000 troops from nine Nato countries, including the US, embarked on the "Noble Jump" exercises in Poland in recent days as part of the new Spearhead planning.
A popular former employment minister, Jean-Louis Borloo, was named minister for the economy, finance and employment, a new portfolio to spearhead Mr. Sarkozy's economic reform drive.
The hub was today cited by Boris Johnson as one of the post-riot achievements when he joined civic leaders to announce plans for a new body to "spearhead Tottenham's regeneration".
Gambling software developer Playtech is poised to appoint a new director to spearhead its assault on the American sports betting market as it fights to move beyond a bruising year in which it posted two profit warnings and suffered a pay revolt.
Rumour has it that Mr Neves wants Ms Silva, a famous environmentalist, to spearhead a new "green diplomacy" as foreign minister.
