Contracts round-up: 5/15

Today, you can:

1. Create a mini-NORAD just for Hawaiian airspace
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2. Solicit bids to replace M4 carbine barrels with more reliable HK416 barrels, then abruptly cancel the solicitation, adding this to the long list of failed attempts to do something about the unreliability of M4.
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3. Find awkward religious symbolism in a space situational awareness program
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4. Add the A-10 precision engagement program to the long list of contracts that Lockheed Martin could lose