New Zealand flag debate and the New Zealand Tourism Board in 1998, and ex-Prime Minister John Key in 2010. Key later changed his preference to Kyle Lockwood's "Silver Fern (Red, White & Blue)" design, due to the similarity of the silver fern flag with the Jihadist black flag, used by Islamic extremist groups such as ISIL. Amongst the public, polls have shown that the silver fern is the most preferred alternative design for a new national flag. However, the New Zealand Flag Institute criticises the black and white silver fern design as the logo of some of New Zealand's sporting teams rather than the
2015–16 New Zealand flag referendums Defence Force would not have been affected by any flag changes, nor would any New Zealand-based ships registered to foreign countries. The estimated cost of updating government flags and Defence Force uniforms is at least $2.69 million. Other unknown costs include updating government ships, updating trademarks and logos, publicity of the new flag, excess stock of old flags (including products and souvenirs containing it), and updating all flags, packaging, uniforms and marketing material in the private and sporting sectors. The government would not have provided compensation for the cost of adopting the new flag. Shortly after announcing the referendum, party