The Senate passed an amendment Friday morning to the defense bill that would tighten economic sanctions against Iran.

Sen. Bob MenendezRobert (Bob) MenendezOvernight Health Care: House passes 20-week abortion ban | GOP gives ground over ObamaCare fix | Price exit sets off speculation over replacement You want to recall John McCain? Good luck, it will be impossible Poll: Most in NJ want Menendez to resign if found guilty MORE (D-N.J.) introduced amendment 3232, which would further tighten economic sanctions against Iran, just a year after Congress passed what some called extremely tough measures against Tehran.

Menendez said his amendment, which passed on a 94-0 vote, was needed because of new evidence from the International Atomic Energy Association indicating that Iran appears to be adding centrifuge capacity and conducting explosives tests that could be used to detonate a nuclear weapon.

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"Our message is clear. The window is closing. The time for the waiting game is over," Menendez said on the Senate floor late Thursday.

"Yes, our sanctions are having a demonstrable effect on the Iranian economy, but Iran is still working just as hard to develop nuclear weapons."

Menendez’s amendment would sanction energy, port and shipbuilding sectors, particularly entities that supply certain commodities to Iran that are seen as contributing to Iran's shipbuilding capacity. These commodities include graphite, aluminum, coal, steel and software used to integrate industrial processes.

Another foreign policy amendment was introduced by Sen. Jeff SessionsJefferson (Jeff) Beauregard SessionsIntel leaders: Collusion still open part of investigation Republicans jockey for position on immigration Biden to Alabama: No more extremist senators MORE (R-Ala.). Amendment 3009 requires Congressional review of the bilateral status of forces agreement between the United States and Afghanistan for troop withdrawal. The measure passed on a voice-vote.

Sessions said that since the Islamic Republican of Afghanistan — their equivalent of Congress — votes on whether to approve the agreement, the least the Obama administration could do is allow the U.S. Congress to review the agreement before it takes place.

An amendment from Sen. Ben CardinBenjamin (Ben) Louis CardinOvernight Cybersecurity: Equifax CEO faces outraged lawmakers | Dem presses voting machine makers on cyber defense | Yahoo says 3 billion accounts affected by 2013 breach Key Dem: Did Kushner use private emails to talk with foreign governments? Dem senator pitches ideas for gun control after shooting MORE (D-Md.), 3025, would have eliminated a cap on the size of the civilian and contract services workforces in the Department of Defense, but the measure was rejected in a 41-53 vote Friday.

Sen. Bill NelsonClarence (Bill) William NelsonSenate panel approves bill to speed up driverless cars Dems plan to make gun control an issue in Nevada Overnight Cybersecurity: Trump proclaims 'Cybersecurity Awareness Month' | Equifax missed chance to patch security flaw | Lawmakers await ex-CEO's testimony | SEC hack exposed personal data MORE (D-Fla.) introduced amendment 3073, which would repeal the requirement for reduction of survivor benefits plan survivor annuities by dependency and indemnity compensation for military widows and children. Sen. Bob CorkerRobert (Bob) Phillips CorkerDeficit hawks voice worry over direction of tax plan The Hill Interview: Budget Chair Black sticks around for now Overnight Finance: White House requests B for disaster relief | Ex-Equifax chief grilled over stock sales | House panel approves B for border wall | Tax plan puts swing-state Republicans in tough spot MORE (R-Tenn.) brought up a budget point of order against Nelson's amendment because he said it added $7 billion to the budget. The budget point of order was not waived by a 58-34 vote, — 60 votes were needed — killing the amendment. 

The Senate is scheduled to continue amendment work on the National Defense Authorization Act, S. 3254, on Friday, with hopes of finishing work by the end of the week. The defense bill funds U.S. military operation.

On Thursday, Sen. Tom CoburnTom Coburn-trillion debt puts US fiscal house on very shaky ground Al Franken: 'I make fun of the people who deserved it' The more complex the tax code, the more the wealthy benefit MORE (R-Okla.) threatened to filibuster the remaining votes until he was allowed to call up his own amendment, which would prohibit a mental illness diagnosis from stopping veterans from owning guns, unless they are deemed mentally ill by a judge.

Sen. Charles SchumerCharles (Chuck) Ellis SchumerOvernight Health Care: Schumer calls for tying ObamaCare fix to children's health insurance | Puerto Rico's water woes worsen | Dems plead for nursing home residents' right to sue Crying on TV doesn't qualify Kimmel to set nation's gun agenda Trump knocks ‘fake’ news coverage of his trip to Puerto Rico MORE (D-N.Y.) objected to allowing a vote on Coburn’s amendment late Thursday night.