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Yes. There are areas that are collectively known as the Red Zone, or Zone Rouge.The hazards remaining in these areas:-Unexploded shells (some with gas)-Unexploded grenades-Rusty ammunition-Soil polluted with: lead, mercury, chlorine, arsenic, dangerous gases, acid, human and animal remains-Ammunition depots-Chemical plants-There are two places in the area declared off-limits that have a plant mortality rate of 99% due to so much arsenic in the soil.-In some areas, there are an average of 120 shells per acre in the top 6 inches of soilRed Zone

186 F-22s240 F-15Cs, 26 F-15Ds219 F-15Es229 F-35As928 F-16Cs, 150 F-16Dsaswell as other combat aircraft like:20 B-2s59 B-1Bs287 A-10Cs32 AC-130J/U/Ws74 B-52s50 CV-22Bs (used for Combat Search and Rescue)84 HH-60G/Us (Combat Search and Rescue)EDIT - You know what? Screw it. Here’s the other branches’ combat aircraftUS Navy:18 F-35Cs (13 of them for training)532 F/A-18E/Fs (131 for training)155 EA-18Gs (while mostly for radar jamming, just like the old EA-6Bs it replaced, they are also essentially Navy “Wild Weasels”)41 P-3Cs (4 used for recon)91 P-8s508 SH/MH/HH-60s (among a variety of roles is hunting submarines)this one’s a bit iffy, but - 29 MH-53Es (these are used for minesweeping, and also actually laying mines)US Marine Corps:143 F/A-18A/C/Ds102 AV-8B+81 F-35Bs (29 used for training)90 AH-1Zs59 AH-1WsUS Army:47 MH/AH-6Ms792 AH-64D/Es61 MH-47D/E/Gs58 MH-60K/Ls

NASA has opened the sealed bag of moon rocks taken off the moon 50 years ago. What do you think they will do with them?The question is a little flawed. There isn’t a single sealed bag of moon rocks — there are about 110,000 of them.A large amount of the lunar material — soil, rocks, etc. — returned from the Moon is still untouched and stored in pristine conditions at NASA’s Lunar Sample Laboratory Facility in Houston, Texas. Each sample is carefully cataloged and photographed. The catalog contains information about exactly when and where the sample was found, and even (in the case of a rock) what position it was in before it was retrieved. The samples are stored in a nitrogen atmosphere, which is less likely to cause chemical changes in the samples than air.NASA preserved the bulk of the samples returned from the Moon because they knew that our ability to perform research on the samples would greatly improve in the future. New instruments and analysis techniques would be developed, and even new questions — as scientists learned more about space science, they would naturally come up with questions that nobody would have thought to ask in the late 1960s. About 75% of the 842 pounds of samples returned during the Apollo program (a total of six landings) are still kept at the Lunar Sample Laboratory Facility.NASA doesn’t just “unseal” a sample now and then for the fun of it. When a scientist — anywhere in the world — comes up with a new line of research for which they need a sample, they submit a proposal to NASA, explaining the purpose of their research and what kind and size of samples they need. An independent panel reviews these proposals, and if a proposal is deemed worthwhile, NASA sends the required samples. About 40 to 50 proposals are approved each year.In some cases the researcher is required to return the sample when the research is complete. However, some research will result in the destruction of the sample. The panel takes this into account when considering the proposal.NASA realized that it probably wasn’t a good idea to store all of its lunar samples in one place, so about 115 pounds of lunar samples are stored in a secure facility at the White Sands Test Facility in New Mexico.Inside NASA’s Lunar Sample Laboratory Facility.By the way, you can browse the entire catalog of lunar samples here:Apollo Samples and Photo catalog