The Chinooks, formerly known as the CH-47, are in use by the US armed services and are produced by Boeing, in addition to over 20 other nations, including Britain.
Temido decided to leave her position because she "realised that she no longer had the prerequisites to remain in office," according to a statement from the Health Ministry.
As calls for fairness in the impending elections to choose the new Congress president became louder on Wednesday, this statement was made.