There's an easy way of safeguarding against that: Estimate the amount of units you (Lockheed Martin, Boeing?) will need during the next ten years. Triple the a

There's an easy way of safeguarding against that: Estimate the amount of units you (Lockheed Martin, Boeing?) will need during the next ten years. Triple the amount. Order that amount from mouser.com. :) Seriously - LEDs are commodities nowadays.